There are 10 ways to get from Gaithersburg to Princeton by subway, train, bus (Flixbus), car, plane, train (Amtrak), or bus
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Subway, train
best- Take the subway from Shady Grove, Red Line Center Platform to Union Station, Red Line Center Platformsubway R
- Take the train from Washington Union Station to 30th Street Stationtrain
- Take the train from 30th Street Station to Princeton Junction Amtrak Stationtrain
4h 33m$57–130Drive 186.3 mi
cheapest- Drive from Gaithersburg to Princetoncar 186.3 mi
3h 23m$34–50Bus (Flixbus)
- Take the bus from Washington Union Station to New Brunswickbus FlixBus 2609 / ...
7h 25m$38–67Fly Ronald Reagan Washington National Airport to Newark Liberty International Airport, train
- Fly from Ronald Reagan Washington National Airport (DCA) to Newark Liberty International Airport (EWR)plane DCA - EWR
- Take the train from Newark Airport Railroad Station to Princeton Jct.train
4h 49m$932–1,750Train (Amtrak)
- Take the train from Washington Union Station to Trentontrain Carolinian / ...
4h 38m$54–121Bus, train
- Take the bus from Silver Spring to Philadelphiabus Washington
- Take the train from Gray 30th St Station to Trenton Transit Centertrain Tre
8h 40m$39–93Fly Ronald Reagan Washington National Airport to Laguardia Airport, train
- Fly from Ronald Reagan Washington National Airport (DCA) to Laguardia Airport (LGA)plane DCA - LGA
- Take the train from New York Penn Station to Princeton Jct.train
5h 43m$107–743Fly Ronald Reagan Washington National Airport to John F. Kennedy International Airport, train
- Fly from Ronald Reagan Washington National Airport (DCA) to John F. Kennedy International Airport (JFK)plane DCA - JFK
- Take the train from New York Penn Station to Princeton Jct.train
5h 32m$923–1,856Subway to Washington Dulles International Airport, fly to Newark Liberty International Airport, train
- Take the subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Newark Liberty International Airport (EWR)plane IAD - EWR
- Take the train from Newark Airport Railroad Station to Princeton Jct.train
5h 19m$471–1,549Subway to Washington Dulles International Airport, fly to Laguardia Airport, train
- Take the subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Laguardia Airport (LGA)plane IAD - LGA
- Take the train from New York Penn Station to Princeton Jct.train
6h 27m$66–452
Gaithersburg to Princeton by subway and train
Comparing Your Travel Options
The cheapest way to get from Gaithersburg to Princeton is to drive which costs $30 - $50 and takes 3h 23m.
The fastest way to get from Gaithersburg to Princeton is to drive which takes 3h 23m and costs $30 - $50.
No, there is no direct bus from Gaithersburg to Princeton. However, there are services departing from S Frederick Ave & Summit Ave and arriving at Nassau St & Witherspoon St - Palmer Square via Washington Union Station and Albany St & Spring St. The journey, including transfers, takes approximately 7h 25m.
No, there is no direct train from Gaithersburg to Princeton. However, there are services departing from Shady Grove, Red Line Center Platform and arriving at Princeton via Washington Union Station, 30th Street Station and Princeton Jct.. The journey, including transfers, takes approximately 4h 33m.
The distance between Gaithersburg and Princeton is 198 miles. The road distance is 187.4 miles.
The best way to get from Gaithersburg to Princeton without a car is to subway and train which takes 4h 33m and costs $55 - $130.
It takes approximately 4h 33m to get from Gaithersburg to Princeton, including transfers.
Gaithersburg to Princeton bus services, operated by Flixbus USA, depart from Washington Union Station.
Gaithersburg to Princeton train services, operated by Washington Metropolitan Area Transit Authority, depart from Shady Grove, Red Line Center Platform station.
The best way to get from Gaithersburg to Princeton is to bus which takes 7h 25m and costs $35 - $70. Alternatively, you can train, which costs $50 - $130 and takes 4h 38m.
What companies run services between Gaithersburg, MD, USA and Princeton, NJ, USA?
Flixbus USA operates a bus from Washington Union Station to New Brunswick twice daily. Tickets cost $30–50 and the journey takes 3h 40m. Alternatively, Amtrak operates a train from Washington Union Station to Trenton hourly. Tickets cost $50–110 and the journey takes 2h 17m.
- Website
- united.com
Flights from Ronald Reagan Washington National Airport to Newark Liberty International Airport
- Ave. Duration
- 1h 27m
- When
- Every day
- Estimated price
- $55–400
Flights from Washington Dulles International Airport to Newark Liberty International Airport
- Ave. Duration
- 1h 24m
- When
- Every day
- Estimated price
- $30–240
Flights from Washington Dulles International Airport to Laguardia Airport
- Ave. Duration
- 1h 25m
- When
- Every day
- Estimated price
- $55–410
- Website
- aa.com
Flights from Ronald Reagan Washington National Airport to Laguardia Airport
- Ave. Duration
- 1h 27m
- When
- Every day
- Estimated price
- $95–700
Flights from Ronald Reagan Washington National Airport to John F. Kennedy International Airport
- Ave. Duration
- 1h 35m
- When
- Every day
- Estimated price
- $55–400
- Website
- delta.com
Flights from Ronald Reagan Washington National Airport to Laguardia Airport
- Ave. Duration
- 1h 17m
- When
- Every day
- Estimated price
- $95–700
Flights from Ronald Reagan Washington National Airport to John F. Kennedy International Airport
- Ave. Duration
- 1h 26m
- When
- Every day
- Estimated price
- $55–400
- Website
- jetblue.com
Flights from Ronald Reagan Washington National Airport to John F. Kennedy International Airport
- Ave. Duration
- 1h 9m
- When
- Every day
- Estimated price
- $55–400
Subway from Shady Grove, Red Line Center Platform to Union Station, Red Line Center Platform
- Ave. Duration
- 38 min
- Frequency
- Every 10 minutes
- Estimated price
- $2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- $2–3
Subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 47 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 Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 47 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- $2–3
Rome2Rio's guide to Amtrak Acela
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 1h 42m
- Frequency
- Hourly
- Estimated price
- $30–650
- Schedules at
- Amtrak Acela
- Website
- Amtrak
- Business Class
- $30–470
- First Class
- $150–650
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 2h 10m
- Frequency
- Hourly
- Estimated price
- $40–90
- Website
- Amtrak
Train from 30th Street Station to Princeton Junction Amtrak Station
- Ave. Duration
- 33 min
- Frequency
- Every 4 hours
- Estimated price
- $13–28
- Website
- Amtrak
Train from Washington Union Station to Trenton
- Ave. Duration
- 2h 17m
- Frequency
- Hourly
- Estimated price
- $50–110
- Website
- Amtrak
- Phone
- +1 973-275-5555
- Website
- New Jersey Transit
Train from Newark Airport Railroad Station to Princeton Jct.
- Ave. Duration
- 49 min
- Frequency
- Hourly
- Estimated price
- $20–25
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult Airport
- $20–25
Train from New York Penn Station to Princeton Jct.
- Ave. Duration
- 1h 13m
- Frequency
- Every 30 minutes
- Estimated price
- $2–21
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult
- $2–21
Train from New York Penn Station to Princeton Jct.
- Ave. Duration
- 1h 13m
- Frequency
- Every 30 minutes
- Estimated price
- $2–21
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult
- $2–21
Train from Newark Airport Railroad Station to Princeton Jct.
- Ave. Duration
- 49 min
- Frequency
- Hourly
- Estimated price
- $20–25
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult Airport
- $20–25
Train from New York Penn Station to Princeton Jct.
- Ave. Duration
- 1h 13m
- Frequency
- Every 30 minutes
- Estimated price
- $2–21
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult
- $2–21
- Phone
- +1 215-580-7800
- Website
- SEPTA
Train from Gray 30th St Station to Trenton Transit Center
- Ave. Duration
- 54 min
- Frequency
- Hourly
- Estimated price
- $3
- Website
- SEPTA
- Schedules at
- SEPTA: World Cup 2026
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Washington Union Station to New Brunswick
- Ave. Duration
- 3h 40m
- Frequency
- Twice daily
- Estimated price
- $30–50
- Schedules at
- Flixbus USA
- Phone
- 1-800-343-9999
- Website
- Peter Pan
Bus from Silver Spring to Philadelphia
- Ave. Duration
- 3h 45m
- Frequency
- 4 times a day
- Estimated price
- $30–75
- Website
- Peter Pan
Want to know more about travelling around United States
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Booking & Getting There
Gaithersburg to Princeton bus services, operated by Flixbus USA, arrive at New Brunswick station.
Gaithersburg to Princeton train services, operated by Washington Metropolitan Area Transit Authority, arrive at Union Station, Red Line Center Platform.
Yes, the driving distance between Gaithersburg to Princeton is 187 miles. It takes approximately 3h 23m to drive from Gaithersburg to Princeton.
There are 160+ hotels available in Princeton.





















