Miles between Casper, WY and Deerfield, IL

There are
1,149 mi
from Casper, WY to Deerfield, IL

That's the driving distance. It would take 20 hours 8 mins to go from Casper, Wyoming to Deerfield, Illinois.

The flight distance (direct flight from Casper, WY to Deerfield, IL) is 939.86 mi.

1,149 mi = 1,849.23 kms