The average train between Watertown and Portland takes 4h 5m and the fastest train takes 3h 11m. The train service runs several times per day from Watertown to Portland. 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 every 4 hours between Watertown and Portland. The earliest departure is at 6:14 AM in the morning, and the last departure from Watertown is at 8:44 PM which arrives into Portland at 1:00 AM. All services require a transfer at North Station and take an average of 4h 5m. The schedules shown below are for the next available departures.

4h 36m • 1 change

4h 11m • 1 change
Arrives next day

5h 21m • 1 change

3h 37m • 1 change

3h 41m • 1 change

3h 36m • 1 change

3h 11m • 1 change

3h 37m • 1 change

3h 41m • 1 change

3h 36m • 1 change

3h 11m • 1 change

3h 37m • 1 change

3h 41m • 1 change

3h 36m • 1 change

3h 11m • 1 change

3h 37m • 1 change

3h 41m • 1 change

3h 36m • 1 change

3h 11m • 1 change

3h 37m • 1 change

3h 41m • 1 change

3h 36m • 1 change

3h 11m • 1 change

5h 6m • 1 change

5h 6m • 1 change

4h 36m • 1 change

4h 11m • 1 change
Want to know about travelling from Watertown to Portland? 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 Watertown to Portland. However, there are services departing from Watertown station and arriving at Portland station via Portland. The journey, including transfers, takes approximately 4h 5m.
Watertown to Portland train services, operated by MBTA, depart from Boston station.
Watertown to Portland train services, operated by MBTA, arrive at Portland station.
The distance between Watertown and Portland is 161.6 km. The road distance is 197 km.
Amtrak operates a train from Boston to Portland 5 times a day. Tickets cost $35–80 and the journey takes 2h 30m.