The average bus between Riverhead and Smithtown takes 2h 19m and the fastest bus takes 1h 45m. There is a bus service every few hours from Riverhead to Smithtown. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Riverhead and Smithtown. The earliest departure is at 5:05 AM in the morning, and the last departure from Riverhead is at 10:13 PM which arrives into Smithtown at 5:20 AM. All services require a transfer, and take on average 2h 19m. The schedules shown below are for the next available departures.

2h 15m • 1 change

2h 15m • 1 change

2h 15m • 1 change

2h 15m • 1 change

2h 17m • 1 change

2h 17m • 1 change

2h 17m • 1 change

2h 17m • 1 change

1h 45m • 1 change

1h 45m • 1 change

1h 45m • 1 change

1h 47m • 1 change

1h 45m • 1 change

1h 45m • 1 change

1h 45m • 1 change

1h 47m • 1 change
Want to know about travelling from Riverhead to Smithtown? 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 bus from Riverhead to Smithtown. However, there are services departing from Riverhead station and arriving at Smithtown station via Smith Haven Mall. The journey, including transfers, takes approximately 2h 19m.
Riverhead to Smithtown bus services, operated by Suffolk County Transit, depart from Riverhead LIRR station.
Riverhead to Smithtown bus services, operated by Suffolk County Transit, arrive at Smith Haven Mall station.
The distance between Riverhead and Smithtown is 45.8 km. The road distance is 50 km.
Suffolk County Transit operates a bus from Riverhead LIRR to Smith Haven Mall hourly. Tickets cost $3 and the journey takes 1h 16m.