Miles between Casper, WY and Dubuque, IA

There are
857 mi
from Casper, WY to Dubuque, IA

That's the driving distance. It would take 16 hours 53 mins to go from Casper, Wyoming to Dubuque, Iowa.

The flight distance (direct flight from Casper, WY to Dubuque, IA) is 794.06 mi.

857 mi = 1,379.35 kms