The average train between Rockville Centre and Groton takes 3h 41m and the fastest train takes 3h 12m. The train service runs several times per day from Rockville Centre 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 Rockville Centre and Groton. The earliest departure is at 4:16 AM at night, and the last departure from Rockville Centre is at 8:22 PM which arrives into Groton at 11:44 PM. All services require a transfer at Penn Station and take an average of 3h 41m. The schedules shown below are for the next available departures.

3h 12m • 1 change

4h 29m • 1 change

4h 13m • 1 change

3h 22m • 1 change

3h 58m • 1 change

3h 12m • 1 change

4h 29m • 1 change

4h 13m • 1 change

3h 28m • 1 change

3h 29m • 1 change

3h 28m • 1 change

3h 17m • 1 change

3h 28m • 1 change

3h 29m • 1 change

3h 28m • 1 change

3h 17m • 1 change

3h 28m • 1 change

3h 29m • 1 change

3h 28m • 1 change

3h 17m • 1 change

3h 28m • 1 change

3h 29m • 1 change

3h 28m • 1 change

3h 17m • 1 change
Want to know about travelling from Rockville Centre 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 Rockville Centre to Groton. However, there are services departing from Rockville Centre station and arriving at Groton station via New London. The journey, including transfers, takes approximately 3h 41m.
Rockville Centre to Groton train services, operated by Long Island Rail Road, depart from Ny Moynihan Train Hall At Penn Station.
Rockville Centre to Groton train services, operated by Long Island Rail Road, arrive at New London station.
The distance between Rockville Centre and Groton is 152.2 km. The road distance is 236 km.
Amtrak operates a train from Ny Moynihan Train Hall At Penn Station to New London every 3 hours. Tickets cost $40–85 and the journey takes 2h 30m.