The average bus between Riverside and Portland takes 32h 55m and the fastest bus takes 26h 25m. The bus service runs several times per day from Riverside 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 Riverside and Portland. The earliest departure is at 6:20 AM in the morning, and the last departure from Riverside is at 11:35 AM which arrives into Portland at 12:20 AM. All services require a transfer at Bakersfield and take an average of 32h 55m. The schedules shown below are for the next available departures.
Arrives next day


26h 25m • 2 changes
Arrives +2 days


36h 45m • 2 changes
Arrives next day


26h 25m • 2 changes
Arrives +2 days


36h 45m • 2 changes
Arrives next day


26h 25m • 2 changes
Arrives +2 days


36h 45m • 2 changes
Arrives next day


26h 25m • 2 changes
Arrives +2 days


36h 45m • 2 changes
Want to know about travelling from Riverside 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 Riverside to Portland. However, there are services departing from Riverside station and arriving at Portland station via Bakersfield. The journey, including transfers, takes approximately 32h 55m.
Riverside to Portland bus services, operated by Amtrak, depart from Riverside station.
Riverside to Portland bus services, operated by Amtrak, arrive at Portland Curbside Bus Stop station.
Book your Riverside to Portland bus tickets online with Amtrak and Greyhound USA.
The distance between Riverside and Portland is 1,362.6 km. The road distance is 1,663 km.
You can take a bus from Riverside to Portland Curbside Bus Stop via Bakersfield, Bakersfield Train Station, and Sacramento Bus Station in around 26h 5m.