There are 683.94 miles from Billings to Portland in west direction and 880.40 miles (1,416.87 kilometers) by car, following the I-15 and I-90 route.
Billings and Portland are 11 hours 36 mins far apart, if you drive non-stop.
This is the fastest route from Billings, MT to Portland, OR. The halfway point is .
Please note the time difference between Billings, MT and Portland, OR is 1 hour. The current time in Billings is 6:04 am and the current time in Portland is 5:04 am.
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