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Gaithersburg to Princeton trains

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Trip Overview

The average train between Gaithersburg and Princeton takes 4h 25m and the fastest train takes 3h 29m. There is a train service every few hours from Gaithersburg to Princeton. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

4h 25m
Duration
196 mi
Distance
$59
Average price
Hourly
Frequency

Train (Amtrak)

best
  1. Take the train from Washington Union Station to Trentontrain train Carolinian / ...
4h 20m
$46–118

Gaithersburg to Princeton train times

Trains run hourly between Gaithersburg and Princeton. The earliest departure is at 1:31 AM at night, and the last departure from Gaithersburg is at 11:31 PM which arrives into Princeton at 8:08 AM. All services require a transfer at Union Station, Red Line Center Platform and take an average of 4h 25m. The schedules shown below are for the next available departures.

Departing Saturday, October 10, 2026

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    Washington Metropolitan Area Transit AuthorityAmtrakAmtrakNJ Transit3h 29m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit4h 4m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit4h 14m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit4h 5m • 3 changes
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Departing Sunday, October 11, 2026

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit7h 44m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakAmtrakNJ Transit3h 48m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit3h 49m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit3h 55m • 3 changes
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Departing Monday, October 12, 2026

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    Washington Metropolitan Area Transit AuthorityAmtrakAmtrakNJ Transit4h 12m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit3h 47m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakAmtrakNJ Transit3h 58m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit4h 2m • 3 changes
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Departing Tuesday, October 13, 2026

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    Washington Metropolitan Area Transit AuthorityAmtrakAmtrakNJ Transit4h 12m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit3h 43m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakAmtrakNJ Transit3h 57m • 3 changes

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    Washington Metropolitan Area Transit AuthorityAmtrakNJ TransitNJ Transit3h 59m • 3 changes
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Frequently asked questions

Want to know about travelling from Gaithersburg to Princeton? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

Map of how to get from Gaithersburg to Princeton.ExpandLaunch map view
  • Distance: 196.4 mi
  • Duration: 4h 25m

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 $40–100 and the journey takes 2h 17m.

Operators