The average train between Rockville Centre and Islip takes 1h 16m and the fastest train takes 44 min. There is a train service every few hours from Rockville Centre to Islip. 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 Rockville Centre and Islip. The earliest departure is at 12:22 AM at night, and the last departure from Rockville Centre is at 11:49 PM which arrives into Islip at 12:52 AM. All services require a transfer, and take on average 1h 16m. The schedules shown below are for the next available departures.

1h 5m • 1 change

1h 26m • 1 change

1h 25m • 1 change

1h 26m • 1 change

1h 9m • 1 change

1h 4m • 1 change

1h 32m • 1 change

1h 5m • 1 change

59 min • 1 change

2h 26m • 1 change

58 min • 1 change

56 min • 1 change
Want to know about travelling from Rockville Centre to Islip? 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 Rockville Centre to Islip. However, there are services departing from Rockville Centre station and arriving at Islip station via Babylon. The journey, including transfers, takes approximately 1h 16m.
Rockville Centre to Islip train services, operated by Long Island Rail Road, depart from Rockville Centre station.
Rockville Centre to Islip train services, operated by Long Island Rail Road, arrive at Islip station.
The distance between Rockville Centre and Islip is 37.2 km. The road distance is 38 km.
You can take a train from Rockville Centre to Islip via Babylon in around 1h 21m.