The average bus between Smithtown and Riverhead takes 2h 24m and the fastest bus takes 1h 48m. There is a bus service every few hours from Smithtown to Riverhead. 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 Smithtown and Riverhead. The earliest departure is at 6:59 AM in the morning, and the last departure from Smithtown is at 10:29 PM which arrives into Riverhead at 6:50 AM. All services require a transfer, and take on average 2h 24m. The schedules shown below are for the next available departures.

2h 22m • 1 change

2h 22m • 1 change

2h 22m • 1 change

2h 22m • 1 change

2h 24m • 1 change

2h 24m • 1 change

2h 24m • 1 change

2h 24m • 1 change

1h 51m • 1 change

1h 51m • 1 change

2h 21m • 1 change

1h 56m • 1 change
Want to know about travelling from Smithtown to Riverhead? 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 Smithtown to Riverhead. However, there are services departing from Smithtown station and arriving at Riverhead station via Smith Haven Mall. The journey, including transfers, takes approximately 2h 24m.
Smithtown to Riverhead bus services, operated by Suffolk County Transit, depart from W Main St/New York Ave station.
Smithtown to Riverhead bus services, operated by Suffolk County Transit, arrive at Riverhead LIRR station.
The distance between Smithtown and Riverhead is 45.8 km. The road distance is 49 km.
You can take a bus from W Main St/New York Ave to Riverhead LIRR via Smith Haven Mall in around 1h 49m.