The average train between Princeton and Somerville takes 2h 18m and the fastest train takes 1h 45m. There is a train service every few hours from Princeton to Somerville. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Princeton and Somerville. The earliest departure is at 5:14 AM in the morning, and the last departure from Princeton is at 11:57 PM which arrives into Somerville at 2:19 AM. All services require a transfer at Princeton Jct. and take an average of 2h 18m. The schedules shown below are for the next available departures.


2h 9m • 2 changes


2h 7m • 2 changes


2h 11m • 2 changes


2h 11m • 2 changes


1h 45m • 2 changes


1h 48m • 2 changes


1h 58m • 2 changes


1h 55m • 2 changes


1h 45m • 2 changes


1h 48m • 2 changes


1h 58m • 2 changes


1h 55m • 2 changes
Want to know about travelling from Princeton to Somerville? 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.
No, there is no direct train from Princeton to Somerville. However, there are services departing from Princeton station and arriving at Somerville station via Newark Penn Station station. The journey, including transfers, takes approximately 2h 18m.
Princeton to Somerville train services, operated by NJ Transit, depart from Princeton Jct. station.
Princeton to Somerville train services, operated by NJ Transit, arrive at Somerville station.
The distance between Princeton and Somerville is 25.4 km. The road distance is 111 km.
You can take a train from Princeton to Somerville via Princeton Jct. and Newark Penn Station in around 2h 44m.