There are 9 ways to get from Princeton to Gaithersburg by train (Amtrak), train, bus, car, plane, bus (Flixbus), or subway
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Train (Amtrak)
best- Take the train from Princeton Junction Amtrak Station to 30th Street Stationtrain Northeast Regional / ...
- Take the train from 30th Street Station to Washington Union Stationtrain Northeast Regional / ...
4h 40m$58–704Drive 182.2 mi
cheapest- Drive from Princeton to Gaithersburgcar 182.2 mi
3h 33m$32–45Train, bus
- Take the train from Trenton to BWI Thurgood Marshalltrain Crescent / ...
- Take the bus from BWI Amtrak Station to Gaithersburg Park & Ridebus 201
5h 41m$80–130Train to Newark Liberty International Airport, fly to Ronald Reagan Washington National Airport
- Take the train from Princeton Jct. to Newark Airport Railroad Stationtrain
- Fly from Newark Liberty International Airport (EWR) to Ronald Reagan Washington National Airport (DCA)plane EWR - DCA
4h 50m$934–1,454Bus
- Take the bus from Nassau St & S Tulane St - Palmer Square to Port Authority Bus Terminalbus
- Take the bus from New York Midtown to Baltimore Downtown Bus Stationbus
- Take the bus from Warner St to Gaithersburg Park & Ridebus 201
8h 31m$55–99Train, bus via Philadelphia
- Take the train from Trenton Transit Center to Jefferson Stationtrain Tre
- Take the bus from Philadelphia Bus Station to Baltimore Greyhound Garagebus
- Take the bus from Warner St to Gaithersburg Park & Ridebus 201
10h 58m$38–65Train to Newark Liberty International Airport, fly to Washington Dulles International Airport, subway
- Take the train from Princeton Jct. to Newark Airport Railroad Stationtrain
- Fly from Newark Liberty International Airport (EWR) to Washington Dulles International Airport (IAD)plane EWR - IAD
- Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Metro Center, Blue/Orange/Silver Line Center Platformsubway
5h 20m$414–1,053Train to Philadelphia International Airport, fly to Ronald Reagan Washington National Airport
- Take the train from Princeton Junction Amtrak Station to 30th Street Stationtrain
- Fly from Philadelphia International Airport (PHL) to Ronald Reagan Washington National Airport (DCA)plane PHL - DCA
5h 43m$122–762Train to Philadelphia International Airport, fly to Washington Dulles International Airport, subway
- Take the train from Princeton Junction Amtrak Station to 30th Street Stationtrain
- Fly from Philadelphia International Airport (PHL) to Washington Dulles International Airport (IAD)plane PHL - IAD
- Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Metro Center, Blue/Orange/Silver Line Center Platformsubway
6h 4m$982–1,111
Princeton to Gaithersburg by train and subway (Amtrak)
Comparing Your Travel Options
The cheapest way to get from Princeton to Gaithersburg is to drive which costs $30 - $45 and takes 3h 33m.
The fastest way to get from Princeton to Gaithersburg is to drive which takes 3h 33m and costs $30 - $45.
No, there is no direct bus from Princeton to Gaithersburg. However, there are services departing from Nassau St & S Tulane St - Palmer Square and arriving at Gaithersburg Park & Ride via New York Midtown and Warner St. The journey, including transfers, takes approximately 8h 31m.
No, there is no direct train from Princeton to Gaithersburg. However, there are services departing from Princeton and arriving at Shady Grove, Red Line Center Platform via Princeton Junction Amtrak Station, 30th Street Station and Union Station, Red Line Center Platform. The journey, including transfers, takes approximately 4h 40m.
The distance between Princeton and Gaithersburg is 199 miles. The road distance is 183.2 miles.
The best way to get from Princeton to Gaithersburg without a car is to train which takes 4h 40m and costs $55 - $750.
It takes approximately 4h 40m to get from Princeton to Gaithersburg, including transfers.
Princeton to Gaithersburg bus services, operated by Rockland Coaches, depart from Nassau St & S Tulane St - Palmer Square station.
Princeton to Gaithersburg train services, operated by Amtrak, depart from Princeton Junction Amtrak Station.
The best way to get from Princeton to Gaithersburg is to train which takes 4h 40m and costs $55 - $750. Alternatively, you can bus, which costs $55 - $100 and takes 8h 31m.
What companies run services between Princeton, NJ, USA and Gaithersburg, MD, USA?
You can take a train from Princeton to Shady Grove, Red Line Center Platform via Princeton Jct., Princeton Junction Amtrak Station, 30th Street Station, Washington Union Station, and Union Station, Red Line Center Platform in around 4h 40m. Alternatively, you can take a bus from Nassau St & S Tulane St - Palmer Square to Gaithersburg Park & Ride via Port Authority Bus Terminal, New York Midtown, Baltimore Downtown Bus Station, and Warner St in around 8h 31m.
- Website
- united.com
Flights from Newark Liberty International Airport to Ronald Reagan Washington National Airport
- Ave. Duration
- 1h 29m
- When
- Every day
- Estimated price
- $70–550
Flights from Newark Liberty International Airport to Washington Dulles International Airport
- Ave. Duration
- 1h 25m
- When
- Every day
- Estimated price
- $55–400
Flights from Newark Liberty International Airport to Washington Dulles International Airport via Charlottesville
- Ave. Duration
- 3h 39m
- When
- Every day
- Estimated price
- $65–430
Flights from Philadelphia International Airport to Washington Dulles International Airport
- Ave. Duration
- 1h 11m
- When
- Every day
- Estimated price
- $70–550
- Website
- aa.com
Flights from Philadelphia International Airport to Ronald Reagan Washington National Airport
- Ave. Duration
- 1h 25m
- When
- Every day
- Estimated price
- $90–700
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Princeton Junction Amtrak Station to 30th Street Station
- Ave. Duration
- 37 min
- Frequency
- Every 4 hours
- Estimated price
- $23–40
- Website
- Amtrak
Train from 30th Street Station to Washington Union Station
- Ave. Duration
- 1h 58m
- Frequency
- Hourly
- Estimated price
- $70–120
- Website
- Amtrak
Train from Trenton to BWI Thurgood Marshall
- Ave. Duration
- 1h 57m
- Frequency
- Hourly
- Estimated price
- $75–120
- Website
- Amtrak
Train from Princeton Junction Amtrak Station to 30th Street Station
- Ave. Duration
- 37 min
- Frequency
- Every 4 hours
- Estimated price
- $23–40
- Website
- Amtrak
Train from Princeton Junction Amtrak Station to 30th Street Station
- Ave. Duration
- 37 min
- Frequency
- Every 4 hours
- Estimated price
- $23–40
- Website
- Amtrak
Rome2Rio's guide to Amtrak Acela
Contact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from 30th Street Station to Washington Union Station
- Ave. Duration
- 1h 49m
- Frequency
- Hourly
- Estimated price
- $30–650
- Schedules at
- Amtrak Acela
- Website
- Amtrak
- Business Class
- $30–470
- First Class
- $150–650
- Phone
- +1 973-275-5555
- Website
- New Jersey Transit
Train from Princeton Jct. to Newark Airport Railroad Station
- Ave. Duration
- 54 min
- Frequency
- Every 30 minutes
- Estimated price
- $21–27
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult Airport
- $21–27
Train from Princeton Jct. to Newark Airport Railroad Station
- Ave. Duration
- 54 min
- Frequency
- Every 30 minutes
- Estimated price
- $21–27
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult Airport
- $21–27
- Phone
- +1 215-580-7800
- Website
- SEPTA
Train from Trenton Transit Center to Jefferson Station
- Ave. Duration
- 1h
- Frequency
- Hourly
- Estimated price
- $3–5
- Website
- SEPTA
- Schedules at
- SEPTA: World Cup 2026
Subway from Washington Dulles International Airport, Silver Line Center Platform to Metro Center, Blue/Orange/Silver Line Center Platform
- Ave. Duration
- 49 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- $2–3
Subway from Washington Dulles International Airport, Silver Line Center Platform to Metro Center, Blue/Orange/Silver Line Center Platform
- Ave. Duration
- 49 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- $2–3
- Phone
- 1-866-743-3682
- Website
- Maryland Transit
Bus from BWI Amtrak Station to Gaithersburg Park & Ride
- Ave. Duration
- 1h 25m
- Frequency
- Every 2 hours
- Estimated price
- $2
- Website
- Maryland Transit
Bus from Warner St to Gaithersburg Park & Ride
- Ave. Duration
- 1h 45m
- Frequency
- Every 4 hours
- Estimated price
- $2
- Website
- Maryland Transit
Bus from Warner St to Gaithersburg Park & Ride
- Ave. Duration
- 1h 45m
- Frequency
- Every 4 hours
- Estimated price
- $2
- Website
- Maryland Transit
- Phone
- +1 (866) 912 - 6224
- questions@coachusa.com
- Website
- Rockland Coaches
Bus from Nassau St & S Tulane St - Palmer Square to Port Authority Bus Terminal
- Ave. Duration
- 1h 40m
- Frequency
- Hourly
- Estimated price
- $17–40
- Schedules at
- Rockland Coaches
- Adult
- $17–40
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from New York Midtown to Baltimore Downtown Bus Station
- Ave. Duration
- 3h 20m
- Frequency
- Hourly
- Estimated price
- $35–60
- Schedules at
- Flixbus USA
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- Greyhound
Bus from Philadelphia Bus Station to Baltimore Greyhound Garage
- Ave. Duration
- 5h
- Frequency
- Twice daily
- Estimated price
- $30–50
- Website
- Greyhound
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Booking & Getting There
Princeton to Gaithersburg bus services, operated by Rockland Coaches, arrive at Port Authority Bus Terminal station.
Princeton to Gaithersburg train services, operated by Amtrak, arrive at 30th Street Station.
Yes, the driving distance between Princeton to Gaithersburg is 183 miles. It takes approximately 3h 33m to drive from Princeton to Gaithersburg.
There are 202+ hotels available in Gaithersburg.




















