The average train between Cos Cob and Long Island takes 2h 34m and the fastest train takes 2h 24m. The train service runs several times per day from Cos Cob to Long Island. 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 4 hours between Cos Cob and Long Island. The earliest departure is at 4:46 AM at night, and the last departure from Cos Cob is at 6:43 PM which arrives into Long Island at 9:22 PM. All services require a transfer, and take on average 2h 34m. The schedules shown below are for the next available departures.

2h 35m • 1 change

2h 29m • 1 change

2h 26m • 1 change

2h 24m • 1 change

2h 35m • 1 change

2h 29m • 1 change

2h 26m • 1 change

2h 24m • 1 change

2h 35m • 1 change

2h 29m • 1 change

2h 26m • 1 change

2h 24m • 1 change

2h 35m • 1 change

2h 29m • 1 change

2h 26m • 1 change

2h 24m • 1 change
Want to know about travelling from Cos Cob to Long Island? 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 Cos Cob to Long Island. However, there are services departing from Cos Cob station and arriving at Long Island station via Grand Central Terminal. The journey, including transfers, takes approximately 2h 34m.
Cos Cob to Long Island train services, operated by Metro-North Railroad (MNR), depart from Cos Cob station.
Cos Cob to Long Island train services, operated by Metro-North Railroad (MNR), arrive at Ronkonkoma station.
The distance between Cos Cob and Long Island is 50.9 km. The road distance is 128 km.
You can take a train from Cos Cob to Ronkonkoma via Grand Central Terminal in around 3h 9m.