The average train between Darien and Groton takes 2h 20m and the fastest train takes 1h 52m. The train service runs several times per day from Darien 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 Darien and Groton. The earliest departure is at 2:44 AM at night, and the last departure from Darien is at 8:28 PM which arrives into Groton at 10:30 PM. All services require a transfer at Bridgeport and take an average of 2h 20m. The schedules shown below are for the next available departures.

2h 5m • 1 change
1h 52m • 1 change
1h 58m • 1 change
2h 2m • 1 change
2h 5m • 1 change
1h 52m • 1 change
1h 58m • 1 change
2h 2m • 1 change
2h 5m • 1 change
1h 52m • 1 change
1h 58m • 1 change
2h 2m • 1 change
2h 5m • 1 change
1h 52m • 1 change
1h 58m • 1 change
2h 2m • 1 change
2h 5m • 1 change
1h 52m • 1 change
1h 58m • 1 change
2h 2m • 1 change
5h 30m • 1 change
2h 46m • 1 change
4h 4m • 1 change
2h 8m • 1 changeWant to know about travelling from Darien 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 Darien to Groton. However, there are services departing from Darien station and arriving at Groton station via Bridgeport. The journey, including transfers, takes approximately 2h 20m.
Darien to Groton train services, operated by Metro-North Railroad (MNR), depart from Darien station.
Darien to Groton train services, operated by Metro-North Railroad (MNR), arrive at New London station.
The distance between Darien and Groton is 120.4 km. The road distance is 137 km.
You can take a train from Darien to New London via Bridgeport and Bridgeport Amtrak Station in around 2h 43m.