The average train between Groton and Waterbury takes 3h 31m and the fastest train takes 2h 20m. The train service runs several times per day from Groton to Waterbury. 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 5 times a day between Groton and Waterbury. The earliest departure is at 10:17 AM in the morning, and the last departure from Groton is at 9:30 PM which arrives into Waterbury at 12:44 AM. All services require a transfer at Bridgeport Amtrak Station and take an average of 3h 31m. The schedules shown below are for the next available departures.

3h 27m • 1 change

3h 16m • 1 change
Arrives next day

3h 14m • 1 change

2h 23m • 1 change

3h 56m • 1 change

3h 27m • 1 change

3h 16m • 1 change

2h 38m • 1 change

3h 48m • 1 change

3h 13m • 1 change
Arrives next day

3h 15m • 1 change

2h 38m • 1 change

3h 48m • 1 change

3h 13m • 1 change
Arrives next day

3h 15m • 1 change

2h 38m • 1 change

3h 48m • 1 change

3h 13m • 1 change
Arrives next day

3h 15m • 1 change
Want to know about travelling from Groton to Waterbury? 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 Groton to Waterbury. However, there are services departing from Groton station and arriving at Waterbury station via Bridgeport Amtrak Station station. The journey, including transfers, takes approximately 3h 31m.
Groton to Waterbury train services, operated by Amtrak, depart from New London station.
Groton to Waterbury train services, operated by Amtrak, arrive at Waterbury station.
The distance between Groton and Waterbury is 84.5 km. The road distance is 160 km.
You can take a train from New London to Waterbury via Bridgeport Amtrak Station and Bridgeport in around 2h 40m.