Miles between Portland, ME and Williston, ND

There are
2,152 mi
from Portland, ME to Williston, ND

That's the driving distance. It would take 1 day 15 hours to go from Portland, Maine to Williston, North Dakota.

The flight distance (direct flight from Portland, ME to Williston, ND) is 1,620.39 mi.

2,152 mi = 3,463.64 kms