Miles between Billings, MT and Oak Park, IL

There are
1,220 mi
from Billings, MT to Oak Park, IL

That's the driving distance. It would take 21 hours 26 mins to go from Billings, Montana to Oak Park, Illinois.

The flight distance (direct flight from Billings, MT to Oak Park, IL) is 1,063.72 mi.

1,220 mi = 1.61 kms