Rome2Rio

How to get fromGaithersburg to Princetonby train (Amtrak), bus (Flixbus), car, plane, train, bus, or subway

Find Transport to Princeton

See all options

There are 8 ways to get from Gaithersburg to Princeton by train (Amtrak), bus (Flixbus), car, plane, train, bus, 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.

  1. Train (Amtrak)

    best
    1. Take the train from Washington Union Station to Trentontrain train Carolinian / ...
    4h 20m
    $100–163

  2. Bus, train

    cheapest
    1. Take the bus from Gaithersburg Park & Ride to BWI Amtrak Stationbus bus 201
    2. Take the train from BWI Thurgood Marshall to 30th Street Stationtrain train
    3. Take the train from Gray 30th St Station to Trenton Transit Centertrain train Tre
    6h 3m
    $32–666

  3. Bus (Flixbus)

    1. Take the bus from Washington Union Station to New Brunswickbus bus FlixBus 2609 / ...
    7h 25m
    $38–62

  4. Drive  186.3 mi

    1. Drive from Gaithersburg to Princetoncar car 186.3 mi
    3h 23m
    $34–50

  5. Fly Ronald Reagan Washington National Airport to Newark Liberty International Airport, train

    1. Fly from Ronald Reagan Washington National Airport (DCA) to Newark Liberty International Airport (EWR)plane plane DCA - EWR
    2. Take the train from Newark Airport Railroad Station to Princeton Jct.train train
    4h 47m
    $934–1,754

  6. Subway to Washington Dulles International Airport, fly to Newark Liberty International Airport, train

    1. Take the subway from Metro Center, Blue/Orange/Silver Line Center Platform to Washington Dulles International Airport, Silver Line Center Platformsubway subway
    2. Fly from Washington Dulles International Airport (IAD) to Newark Liberty International Airport (EWR)plane plane IAD - EWR
    3. Take the train from Newark Airport Railroad Station to Princeton Jct.train train
    5h 24m
    $474–1,753

  7. Subway to Washington Dulles International Airport, fly to Laguardia Airport, train

    1. Take the subway from Metro Center, Blue/Orange/Silver Line Center Platform to Washington Dulles International Airport, Silver Line Center Platformsubway subway
    2. Fly from Washington Dulles International Airport (IAD) to Laguardia Airport (LGA)plane plane IAD - LGA
    3. Take the train from New York Penn Station to Princeton Jct.train train
    6h 31m
    $78–496

  8. Subway to Ronald Reagan Washington National Airport, fly to Philadelphia International Airport, train

    1. Take the subway from Shady Grove, Red Line Center Platform to Gallery Place, Red Line Track 1 Platformsubway subway
    2. Fly from Ronald Reagan Washington National Airport (DCA) to Philadelphia International Airport (PHL)plane plane DCA - PHL
    3. Take the train from 30th Street Station to Princeton Junction Amtrak Stationtrain train
    5h 38m
    $102–612

Gaithersburg to Princeton by subway and train (Amtrak)

Calendar139Weekly Services
Duration4h 20mAverage Duration
Ticket$100Cheapest Price
See schedules

Comparing Your Travel Options

Map of how to get from Gaithersburg to Princeton.ExpandLaunch map view
  • Distance: 196.4 mi
  • Duration: 4h 20m

What companies run services between Gaithersburg, MD, USA and Princeton, NJ, USA?

Amtrak operates a train from Washington Union Station to Trenton hourly. Tickets cost $90–140 and the journey takes 2h 17m. Alternatively, Flixbus USA operates a bus from Washington Union Station to New Brunswick twice daily. Tickets cost $30–45 and the journey takes 3h 40m.

Airlines
Train operators
Bus operators

Want to know more about travelling around United States

Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.

Related travel guides

Booking & Getting There