Miles between Riverside, CA and Casper, WY

There are
1,043 mi
from Riverside, CA to Casper, WY

That's the driving distance. It would take 18 hours 17 mins to go from Riverside, California to Casper, Wyoming.

The flight distance (direct flight from Riverside, CA to Casper, WY) is 858.36 mi.

1,043 mi = 1.61 kms