Miles between Portland, ME and Oak Forest, IL

There are
1,084 mi
from Portland, ME to Oak Forest, IL

That's the driving distance. It would take 20 hours 30 mins to go from Portland, Maine to Oak Forest, Illinois.

The flight distance (direct flight from Portland, ME to Oak Forest, IL) is 898.57 mi.

1,084 mi = 1,744.11 kms