The average bus between Clinton and Portland takes 7h 48m and the fastest bus takes 6h 48m. The bus service runs several times per day from Clinton to Portland. 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 twice daily between Clinton and Portland. The earliest departure is at 6:21 AM in the morning, and the last departure from Clinton is at 4:21 PM which arrives into Portland at 12:10 AM. All services require a transfer at Route 1 & Stage Rd and take an average of 7h 48m. The schedules shown below are for the next available departures.



6h 48m • 3 changes



8h 48m • 3 changes
Arrives next day



7h 48m • 3 changes



6h 48m • 3 changes



8h 48m • 3 changes
Arrives next day



7h 48m • 3 changes
Want to know about travelling from Clinton to Portland? 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 Clinton to Portland. However, there are services departing from Clinton station and arriving at Portland station via Asylum St @ Union Pl. The journey, including transfers, takes approximately 7h 48m.
Clinton to Portland bus services, operated by River Valley Transit, depart from Old Saybrook Trans Cntr station.
Clinton to Portland bus services, operated by River Valley Transit, arrive at Portland, ME station.
The distance between Clinton and Portland is 323.4 km. The road distance is 415 km.
You can take a bus from E Main St & Downtown Clinton to Portland, ME via Route 1 & Stage Rd, Old Saybrook Trans Cntr, Asylum St @ Union Pl, Hartford Union Station, Boston, and Boston, MA - South Station in around 7h 31m.