The average train between Setauket and Washington takes 6h 7m and the fastest train takes 4h 50m. There is a train service every few hours from Setauket to Washington. 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 Setauket and Washington. The earliest departure is at 4:31 AM at night, and the last departure from Setauket is at 11:38 PM which arrives into Washington at 8:22 AM. All services require a transfer at Huntington and take an average of 6h 7m. The schedules shown below are for the next available departures.


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5h 15m • 2 changesWant to know about travelling from Setauket to Washington? 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 Setauket to Washington. However, there are services departing from Setauket station and arriving at Washington station via New York Penn Station station. The journey, including transfers, takes approximately 6h 7m.
Setauket to Washington train services, operated by Long Island Rail Road, depart from Huntington station.
Setauket to Washington train services, operated by Long Island Rail Road, arrive at Washington Union Station.
The distance between Setauket and Washington is 403.8 km. The road distance is 447 km.
You can take a train from Stony Brook to Washington Union Station via Huntington, Penn Station, and Ny Moynihan Train Hall At Penn Station in around 5h 23m.