Princeton Junction to Gaithersburg Trains

Princeton Junction to Gaithersburg trains

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Trip Overview

The average train between Princeton Junction and Gaithersburg takes 4h 32m and the fastest train takes 3h 23m. The train service runs several times per day from Princeton Junction to Gaithersburg. 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 32m
Duration: 195 mi
Distance: $354
Average price: Every 4 hours
Frequency

Train, subway

best

Take the train from Princeton Junction Amtrak Station to 30th Street Stationtrain
Take the train from 30th Street Station to Washington Union Stationtrain
Take the subway from Union Station, Red Line Center Platform to Shady Grove, Red Line Center Platformsubway R

3h 35m

$42–677

Princeton Junction to Gaithersburg train times

Trains run every 4 hours between Princeton Junction and Gaithersburg. The earliest departure is at 5:43 AM in the morning, and the last departure from Princeton Junction is at 11:01 PM which arrives into Gaithersburg at 7:39 AM. All services require a transfer at 30th Street Station and take an average of 4h 32m. The schedules shown below are for the next available departures.

Departing Saturday, October 10, 2026

8:07 AM → 11:50 AM
3h 43m • 2 changes
10:00 AM → 2:08 PM
4h 8m • 2 changes
10:53 AM → 3:08 PM
4h 15m • 2 changes
9:00 PM → 7:14 AM
Arrives next day
10h 14m • 2 changes

Departing Sunday, October 11, 2026

8:07 AM → 11:44 AM
3h 37m • 2 changes
10:00 AM → 1:50 PM
3h 50m • 2 changes
11:13 AM → 3:08 PM
3h 55m • 2 changes
9:00 PM → 6:02 AM
Arrives next day
9h 2m • 2 changes

Departing Monday, October 12, 2026

5:43 AM → 9:50 AM
4h 7m • 2 changes
6:40 AM → 10:26 AM
3h 46m • 2 changes
8:13 AM → 11:50 AM
3h 37m • 2 changes
1:06 PM → 4:32 PM
3h 26m • 2 changes
Show more

Departing Tuesday, October 13, 2026

5:43 AM → 9:49 AM
4h 6m • 2 changes
6:40 AM → 10:24 AM
3h 44m • 2 changes
8:13 AM → 11:47 AM
3h 34m • 2 changes
1:06 PM → 4:29 PM
3h 23m • 2 changes
Show more

Departing Wednesday, October 14, 2026

5:43 AM → 9:49 AM
4h 6m • 2 changes
6:40 AM → 10:24 AM
3h 44m • 2 changes
8:13 AM → 11:47 AM
3h 34m • 2 changes
1:06 PM → 4:29 PM
3h 23m • 2 changes
Show more

Departing Thursday, October 15, 2026

5:43 AM → 9:49 AM
4h 6m • 2 changes
6:40 AM → 10:24 AM
3h 44m • 2 changes
8:13 AM → 11:47 AM
3h 34m • 2 changes
1:06 PM → 4:29 PM
3h 23m • 2 changes
Show more

Departing Friday, October 16, 2026

5:43 AM → 9:49 AM
4h 6m • 2 changes
6:40 AM → 10:24 AM
3h 44m • 2 changes
8:13 AM → 11:47 AM
3h 34m • 2 changes
1:06 PM → 4:29 PM
3h 23m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Princeton Junction to Gaithersburg? 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.

Princeton Junction to Gaithersburg trains

Find Transport to Gaithersburg

Trip Overview

Train, subway

Princeton Junction to Gaithersburg train times

Departing Saturday, October 10, 2026

8:07 AM → 11:50 AM

10:00 AM → 2:08 PM

10:53 AM → 3:08 PM

9:00 PM → 7:14 AMArrives next day

Departing Sunday, October 11, 2026

8:07 AM → 11:44 AM

10:00 AM → 1:50 PM

11:13 AM → 3:08 PM

9:00 PM → 6:02 AMArrives next day

Departing Monday, October 12, 2026

5:43 AM → 9:50 AM

6:40 AM → 10:26 AM

8:13 AM → 11:50 AM

1:06 PM → 4:32 PM

Departing Tuesday, October 13, 2026

5:43 AM → 9:49 AM

6:40 AM → 10:24 AM

8:13 AM → 11:47 AM

1:06 PM → 4:29 PM

Departing Wednesday, October 14, 2026

5:43 AM → 9:49 AM

6:40 AM → 10:24 AM

8:13 AM → 11:47 AM

1:06 PM → 4:29 PM

Departing Thursday, October 15, 2026

5:43 AM → 9:49 AM

6:40 AM → 10:24 AM

8:13 AM → 11:47 AM

1:06 PM → 4:29 PM

Departing Friday, October 16, 2026

5:43 AM → 9:49 AM

6:40 AM → 10:24 AM

8:13 AM → 11:47 AM

1:06 PM → 4:29 PM

Frequently asked questions

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

Train from Princeton Junction Amtrak Station to 30th Street Station

Train from 30th Street Station to Washington Union Station

Train trips from Princeton Junction

Train trips to Gaithersburg

Alternative transport options

9:00 PM → 7:14 AM
Arrives next day

9:00 PM → 6:02 AM
Arrives next day