Miles between Sioux Falls, SD and Portland, ME

There are
1,665 mi
from Sioux Falls, SD to Portland, ME

That's the driving distance. It would take 1 day 7 hours to go from Sioux Falls, South Dakota to Portland, Maine.

The flight distance (direct flight from Sioux Falls, SD to Portland, ME) is 1,317.44 mi.

1,665 mi = 1.61 kms