There are 9 ways to get from Ottawa to Gaithersburg by plane, subway, bus (Greyhound), train, bus, car, or bus (Flixbus)
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly Ottawa Macdonald-Cartier International Airport to Ronald Reagan Washington National Airport, subway
best- Fly from Ottawa Macdonald-Cartier International Airport (YOW) to Ronald Reagan Washington National Airport (DCA)plane YOW - DCA
- Take the subway from Gallery Place, Red Line Track 2 Platform to Shady Grove, Red Line Center Platformsubway
4h 58m$287–964Drive 528.4 mi
cheapest- Drive from Ottawa to Gaithersburgcar 528.4 mi
10h 5m$121–175Bus
- Take the bus from Gatineau to Montréalbus
- Take the bus from Montreal to Port Authority Bus Terminalbus
- Take the bus from Port Authority Bus Terminal to Baltimore Downtown Bus Stationbus
- Take the bus from Warner St to Gaithersburg Park & Ridebus 201
18h 2m$141–223Train, bus
- Take the train from Ottawa to Montréaltrain
- Take the train from Montreal Central Station to Ny Moynihan Train Hall At Penn Stationtrain
- Take the train from Ny Moynihan Train Hall At Penn Station to BWI Thurgood Marshalltrain
- Take the bus from BWI Amtrak Station to Gaithersburg Park & Ridebus 201
20h 1m$123–878Fly Ottawa Macdonald-Cartier International Airport to Washington Dulles International Airport, subway
- Fly from Ottawa Macdonald-Cartier International Airport (YOW) to Washington Dulles International Airport (IAD)plane YOW - IAD
- Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Farragut West, Blue/Orange/Silver Line Track 1 Platformsubway
5h 37m$277–1,118Train to Montréal–Pierre Elliott Trudeau International Airport, fly to Ronald Reagan Washington National Airport
- Take the train from Ottawa to Dorvaltrain
- Fly from Montréal–Pierre Elliott Trudeau International Airport (YUL) to Ronald Reagan Washington National Airport (DCA)plane YUL - DCA
6h 39m$359–1,599Train to Ogdensburg International Airport, fly to Washington Dulles International Airport, subway
- Take the train from Ottawa to Brockvilletrain
- Fly from Ogdensburg International Airport (OGS) to Washington Dulles International Airport (IAD)plane OGS - IAD
- Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Farragut West, Blue/Orange/Silver Line Track 1 Platformsubway
5h 55m$177–1,004Train to Montréal–Pierre Elliott Trudeau International Airport, fly to Washington Dulles International Airport, subway
- Take the train from Ottawa to Dorvaltrain
- Fly from Montréal–Pierre Elliott Trudeau International Airport (YUL) to Washington Dulles International Airport (IAD)plane YUL - IAD
- Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Farragut West, Blue/Orange/Silver Line Track 1 Platformsubway
7h 12m$189–853Bus via Ottawa, ON - 600 Cumberland St
- Take the bus from Ottawa, ON - 600 Cumberland St to Montreal, QC - 1597 Rue St-Hubertbus
- Take the bus from Montreal to New York Midtownbus
- Take the bus from New York Midtown to Baltimore Downtown Bus Stationbus
- Take the bus from Warner St to Gaithersburg Park & Ridebus 201
18h 30m$127–194
Ottawa to Gaithersburg by bus
Questions & Answers
The cheapest way to get from Ottawa to Gaithersburg is to drive which costs $120 - $180 and takes 10h 5m.
The fastest way to get from Ottawa to Gaithersburg is to fly and subway which takes 4h 58m and costs $280 - $1,000.
No, there is no direct bus from Ottawa to Gaithersburg. However, there are services departing from Gatineau and arriving at Gaithersburg Park & Ride via Montreal, Port Authority Bus Terminal and Warner St. The journey, including transfers, takes approximately 18h 2m.
The distance between Ottawa and Gaithersburg is 485 miles. The road distance is 531.5 miles.
The best way to get from Ottawa to Gaithersburg without a car is to bus which takes 18h 2m and costs $140 - $230.
It takes approximately 4h 58m to get from Ottawa to Gaithersburg, including transfers.
Ottawa to Gaithersburg bus services, operated by Orléans Express, depart from Gatineau station.
Ottawa to Gaithersburg bus services, operated by Orléans Express, arrive at Montréal station.
Yes, the driving distance between Ottawa to Gaithersburg is 531 miles. It takes approximately 10h 5m to drive from Ottawa to Gaithersburg.
There are 212+ hotels available in Gaithersburg.
What companies run services between Ottawa, ON, Canada and Gaithersburg, MD, USA?
You can take a bus from Gatineau to Gaithersburg Park & Ride via Montréal, Montreal, Port Authority Bus Terminal, Baltimore Downtown Bus Station, and Warner St in around 18h 2m.
- Website
- aircanada.com
Flights from Ottawa Macdonald-Cartier International Airport to Ronald Reagan Washington National Airport
- Ave. Duration
- 1h 49m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $140–850
Flights from Ottawa Macdonald-Cartier International Airport to Ronald Reagan Washington National Airport via Toronto
- Ave. Duration
- 4h 15m
- When
- Every day
- Estimated price
- $160–950
Flights from Ottawa Macdonald-Cartier International Airport to Ronald Reagan Washington National Airport via Montréal–Pierre Elliott Trudeau International Airport
- Ave. Duration
- 4h 36m
- When
- Every day
- Estimated price
- $160–950
Flights from Ottawa Macdonald-Cartier International Airport to Washington Dulles International Airport
- Ave. Duration
- 1h 56m
- When
- Every day
- Estimated price
- $65–400
Flights from Ottawa Macdonald-Cartier International Airport to Washington Dulles International Airport via Toronto
- Ave. Duration
- 4h 14m
- When
- Every day
- Estimated price
- $70–430
Flights from Montréal–Pierre Elliott Trudeau International Airport to Ronald Reagan Washington National Airport
- Ave. Duration
- 1h 56m
- When
- Every day
- Estimated price
- $140–850
Flights from Montréal–Pierre Elliott Trudeau International Airport to Ronald Reagan Washington National Airport via Toronto
- Ave. Duration
- 4h 23m
- When
- Every day
- Estimated price
- $170–950
Flights from Montréal–Pierre Elliott Trudeau International Airport to Washington Dulles International Airport
- Ave. Duration
- 2h 5m
- When
- Every day
- Estimated price
- $65–400
Flights from Montréal–Pierre Elliott Trudeau International Airport to Washington Dulles International Airport via Toronto
- Ave. Duration
- 4h 22m
- When
- Every day
- Estimated price
- $75–440
- Website
- united.com
Flights from Ottawa Macdonald-Cartier International Airport to Ronald Reagan Washington National Airport
- Ave. Duration
- 1h 49m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $140–850
Flights from Ottawa Macdonald-Cartier International Airport to Ronald Reagan Washington National Airport via Toronto
- Ave. Duration
- 4h
- When
- Every day
- Estimated price
- $160–950
Flights from Ottawa Macdonald-Cartier International Airport to Ronald Reagan Washington National Airport via Newark
- Ave. Duration
- 4h 24m
- When
- Every day
- Estimated price
- $150–900
Flights from Ottawa Macdonald-Cartier International Airport to Washington Dulles International Airport
- Ave. Duration
- 1h 56m
- When
- Every day
- Estimated price
- $65–400
Flights from Ottawa Macdonald-Cartier International Airport to Washington Dulles International Airport via Toronto
- Ave. Duration
- 4h 9m
- When
- Every day
- Estimated price
- $70–430
Flights from Montréal–Pierre Elliott Trudeau International Airport to Ronald Reagan Washington National Airport
- Ave. Duration
- 1h 56m
- When
- Every day
- Estimated price
- $140–850
Flights from Montréal–Pierre Elliott Trudeau International Airport to Ronald Reagan Washington National Airport via Newark
- Ave. Duration
- 4h 26m
- When
- Every day
- Estimated price
- $140–900
Flights from Montréal–Pierre Elliott Trudeau International Airport to Washington Dulles International Airport
- Ave. Duration
- 2h 5m
- When
- Every day
- Estimated price
- $65–400
Flights from Montréal–Pierre Elliott Trudeau International Airport to Washington Dulles International Airport via Newark
- Ave. Duration
- 4h 39m
- When
- Every day
- Estimated price
- $70–410
- Website
- flyporter.com
Flights from Ottawa Macdonald-Cartier International Airport to Ronald Reagan Washington National Airport via Toronto
- Ave. Duration
- 4h 7m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $160–950
Flights from Ottawa Macdonald-Cartier International Airport to Washington Dulles International Airport via Toronto
- Ave. Duration
- 3h 43m
- When
- Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $170–800
Flights from Montréal–Pierre Elliott Trudeau International Airport to Ronald Reagan Washington National Airport via Toronto
- Ave. Duration
- 4h 42m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- $170–950
- Website
- flybreeze.com
Flights from Ogdensburg International Airport to Washington Dulles International Airport
- Ave. Duration
- 1h 39m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $150–900
- Website
- delta.com
Flights from Montréal–Pierre Elliott Trudeau International Airport to Ronald Reagan Washington National Airport via New York La Guardia
- Ave. Duration
- 4h 22m
- When
- Every day
- Estimated price
- $150–900
- Phone
- +1 202 466 3876
- Website
- wmata.com
Subway from Gallery Place, Red Line Track 2 Platform to Shady Grove, Red Line Center Platform
- Ave. Duration
- 35 min
- Frequency
- Every 10 minutes
- Estimated price
- $2–7
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- $2–3
- standard fare 5 a.m - 9:30 p.m.
- $4–7
Subway from Washington Dulles International Airport, Silver Line Center Platform to Farragut West, Blue/Orange/Silver Line Track 1 Platform
- Ave. Duration
- 47 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–8
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- $2–3
- standard fare 5 a.m - 9:30 p.m.
- $5–8
- Phone
- +1 888 842-7245
- Website
- viarail.ca
Train from Ottawa to Montréal
- Ave. Duration
- 2h 2m
- Frequency
- 4 times a day
- Estimated price
- $23–90
- Website
- https://www.viarail.ca/en
- Economy Adult - same day booking
- $26–90
- Economy Adult - Advanced Booking
- $26–70
- Economy Escape Advanced Booking - Adult
- $23–40
Train from Ottawa to Dorval
- Ave. Duration
- 1h 37m
- Frequency
- 4 times a day
- Estimated price
- $22–85
- Website
- https://www.viarail.ca/en
- Economy Adult - same day booking
- $25–85
- Economy Adult - Advanced Booking
- $25–70
- Economy Escape Advanced Booking - Adult
- $22–35
Train from Ottawa to Brockville
- Ave. Duration
- 1h 18m
- Frequency
- 5 times a day
- Estimated price
- $18–85
- Website
- https://www.viarail.ca/en
- Economy Adult - same day booking
- $19–85
- Economy Adult - Advanced Booking
- $19–65
- Economy Escape Advanced Booking - Adult
- $18–30
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Montreal Central Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 11h 5m
- Frequency
- Once daily
- Estimated price
- $70–90
- Website
- https://www.amtrak.com/home.html
Train from Ny Moynihan Train Hall At Penn Station to BWI Thurgood Marshall
- Ave. Duration
- 2h 55m
- Frequency
- Twice daily
- Estimated price
- $40–470
- Website
- https://www.amtrak.com/home.html
Rome2Rio's guide to Amtrak Northeast Regional
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Ny Moynihan Train Hall At Penn Station to BWI Thurgood Marshall
- Ave. Duration
- 3h 2m
- Frequency
- Hourly
- Estimated price
- $27–280
- Website
- https://www.amtrak.com/home
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- $27–280
- Business Class
- $85–330
Rome2Rio's guide to Amtrak Acela
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Ny Moynihan Train Hall At Penn Station to BWI Thurgood Marshall
- Ave. Duration
- 2h 36m
- Frequency
- 5 times a day
- Estimated price
- $45–700
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- $45–480
- First Class
- $180–700
- Phone
- +1 833 449 6444
- serviceclient@keolis.ca
- Website
- orleansexpress.com
Bus from Gatineau to Montréal
- Ave. Duration
- 2h 55m
- Frequency
- Every 4 hours
- Estimated price
- $30–50
- Website
- https://www.orleansexpress.com/en/
- Schedules at
- https://www.orleansexpress.com/en/schedule/
- Adult
- $30–50
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Montreal to Port Authority Bus Terminal
- Ave. Duration
- 7h 35m
- Frequency
- 4 times a day
- Estimated price
- $75–110
- Website
- https://www.greyhound.com/
Bus from Port Authority Bus Terminal to Baltimore Downtown Bus Station
- Ave. Duration
- 3h 15m
- Frequency
- Every 3 hours
- Estimated price
- $30–50
- Website
- https://www.greyhound.com/
- Phone
- 1-800-343-9999
- Website
- peterpanbus.com
Bus from Port Authority Bus Terminal to Baltimore Downtown Bus Station
- Ave. Duration
- 3h 45m
- Frequency
- Every 2 hours
- Estimated price
- $30–65
- Website
- https://peterpanbus.com
- Adult
- $30–65
- Phone
- 1-866-743-3682
- Website
- mta.maryland.gov
Bus from Warner St to Gaithersburg Park & Ride
- Ave. Duration
- 1h 45m
- Frequency
- Every 4 hours
- Estimated price
- $2
- Website
- https://www.mta.maryland.gov
Bus from BWI Amtrak Station to Gaithersburg Park & Ride
- Ave. Duration
- 1h 25m
- Frequency
- Every 2 hours
- Estimated price
- $2
- Website
- https://www.mta.maryland.gov
- Phone
- 514-228-2303
- info@tourexpress.ca
- Website
- tourexpress.ca
Bus from Ottawa, ON - 600 Cumberland St to Montreal, QC - 1597 Rue St-Hubert
- Ave. Duration
- 2h
- Frequency
- Twice daily
- Estimated price
- $20–28
- Website
- https://tourexpress.ca/
- Schedules at
- https://tourexpress.ca/bus-schedule
- Book at
- https://tourexpress.betterez.com/cart/6215c65b8170b20e46af9ff2/reservation/6215c65c8170b20e46af9ff3
- Adult
- $20–28
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from Montreal to New York Midtown
- Ave. Duration
- 8h 15m
- Frequency
- Twice daily
- Estimated price
- $75–110
- Schedules at
- flixbus.com
Bus from New York Midtown to Baltimore Downtown Bus Station
- Ave. Duration
- 3h 30m
- Frequency
- Every 2 hours
- Estimated price
- $30–55
- Schedules at
- flixbus.com
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