The average train between Medford and Groton takes 1h 57m and the fastest train takes 1h 47m. The train service runs several times per day from Medford to Groton. 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 3 hours between Medford and Groton. The earliest departure is at 1:33 AM at night, and the last departure from Medford is at 7:30 PM which arrives into Groton at 9:21 PM. All services require a transfer at Back Bay and take an average of 1h 57m. The schedules shown below are for the next available departures.

1h 51m • 1 change

1h 50m • 1 change

1h 57m • 1 change

1h 47m • 1 change

1h 51m • 1 change

1h 50m • 1 change

1h 57m • 1 change

1h 47m • 1 change

1h 51m • 1 change

1h 50m • 1 change

1h 57m • 1 change

1h 47m • 1 change

1h 51m • 1 change

1h 50m • 1 change

1h 57m • 1 change

1h 47m • 1 change

1h 51m • 1 change

1h 50m • 1 change

1h 57m • 1 change

1h 47m • 1 change

1h 52m • 1 change

1h 56m • 1 change

1h 51m • 1 change

2h • 1 change
Want to know about travelling from Medford to Groton? 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 Medford to Groton. However, there are services departing from Medford station and arriving at Groton station via New London. The journey, including transfers, takes approximately 1h 57m.
Medford to Groton train services, operated by MBTA, depart from Boston station.
Medford to Groton train services, operated by MBTA, arrive at New London station.
The distance between Medford and Groton is 143.4 km. The road distance is 176 km.
Amtrak operates a train from Boston to New London every 3 hours. Tickets cost $30–70 and the journey takes 1h 29m.