The average train between Grand Central Terminal and Groton takes 3h 18m and the fastest train takes 2h 51m. There is a train service every few hours from Grand Central Terminal 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 hourly between Grand Central Terminal and Groton. The earliest departure is at 1:47 AM at night, and the last departure from Grand Central Terminal is at 8:34 PM which arrives into Groton at 11:44 PM. All services require a transfer at New Haven and take an average of 3h 18m. The schedules shown below are for the next available departures.

4h 3m • 1 change

3h • 1 change

3h 36m • 1 change

3h • 1 change

3h 43m • 1 change

3h 23m • 1 change

2h 54m • 1 change

3h 1m • 1 change

3h 43m • 1 change

3h 23m • 1 change

2h 54m • 1 change

3h 1m • 1 change

3h 43m • 1 change

3h 23m • 1 change

2h 54m • 1 change

3h 1m • 1 change
Want to know about travelling from Grand Central Terminal 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 Grand Central Terminal to Groton. However, there are services departing from Grand Central Terminal station and arriving at Groton station via New Haven. The journey, including transfers, takes approximately 3h 18m.
Grand Central Terminal to Groton train services, operated by Metro-North Railroad (MNR), depart from Grand Central Terminal station.
Grand Central Terminal to Groton train services, operated by Metro-North Railroad (MNR), arrive at New London station.
The distance between Grand Central Terminal and Groton is 172.7 km. The road distance is 198 km.
You can take a vehicle from Grand Central Terminal to New London via Grand Central Terminal and New Haven in around 3h 41m.