Miles between Casper, WY and Mt Prospect, IL

There are
1,140 mi
from Casper, WY to Mt Prospect, IL

That's the driving distance. It would take 19 hours 59 mins to go from Casper, Wyoming to Mt Prospect, Illinois.

The flight distance (direct flight from Casper, WY to Mt Prospect, IL) is 936.34 mi.

1,140 mi = 1,834.60 kms