Miles between Oak Park, IL and Billings, MT

There are
1,223 mi
from Oak Park, IL to Billings, MT

That's the driving distance. It would take 21 hours 34 mins to go from Oak Park, Illinois to Billings, Montana.

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

1,223 mi = 1,968.21 kms