The average train between Nassau County and Washington takes 4h 32m and the fastest train takes 3h 48m. There is a train service every few hours from Nassau County 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 Nassau County and Washington. The earliest departure is at 2:15 AM at night, and the last departure from Nassau County is at 10:24 PM which arrives into Washington at 6:54 AM. All services require a transfer at Penn Station and take an average of 4h 32m. The schedules shown below are for the next available departures.

5h 48m • 1 change

4h • 1 change

4h 23m • 1 change

4h 4m • 1 change

6h 7m • 1 change

4h 16m • 1 change

4h 17m • 1 change

3h 56m • 1 change

6h 7m • 1 change

4h 16m • 1 change

4h 17m • 1 change

3h 56m • 1 change
Want to know about travelling from Nassau County 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 Nassau County to Washington. However, there are services departing from Nassau County station and arriving at Washington station via New York Penn Station station. The journey, including transfers, takes approximately 4h 32m.
Nassau County to Washington train services, operated by Long Island Rail Road, depart from Westbury station.
Nassau County to Washington train services, operated by Long Island Rail Road, arrive at Washington Union Station.
The distance between Nassau County and Washington is 360.4 km. The road distance is 396 km.
You can take a train from Westbury to Washington Union Station via Penn Station and Ny Moynihan Train Hall At Penn Station in around 4h 3m.