The average bus between Portland and Grand Junction takes 2d 10h and the fastest bus takes 2d 8h. There is at least one bus per day from Portland to Grand Junction. 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 once daily between Portland and Grand Junction. The earliest departure is at 7:30 AM in the morning, and the last departure from Portland is at 3:30 PM which arrives into Grand Junction at 10:20 PM. All services require a transfer at Boston, MA - South Station and take an average of 2d 10h. The schedules shown below are for the next available departures.
Arrives +2 days




2d 11h • 4 changesArrives +2 days




2d 8h • 4 changesArrives +2 days




2d 11h • 4 changesArrives +2 days




2d 8h • 4 changesWant to know about travelling from Portland to Grand Junction? 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 Portland to Grand Junction. However, there are services departing from Portland station and arriving at Grand Junction station via Boston, MA - South Station station. The journey, including transfers, takes approximately 2d 10h.
Portland to Grand Junction bus services, operated by Amtrak Thruway, depart from Portland, ME station.
Portland to Grand Junction bus services, operated by Amtrak Thruway, arrive at Grand Junction Downtown Transfer Facility station.
The distance between Portland and Grand Junction is 3,207.3 km. The road distance is 3,992 km.
You can take a bus from Portland, ME to Grand Junction Downtown Transfer Facility via Boston, MA - South Station, Boston, New York, Port Authority Bus Terminal, St Louis Bus Station, Denver Union Station, and Union Station Gate B19 in around 2d 8h.