Miles between Casper, WY and Hermiston, OR

There are
955 mi
from Casper, WY to Hermiston, OR

That's the driving distance. It would take 16 hours 20 mins to go from Casper, Wyoming to Hermiston, Oregon.

The flight distance (direct flight from Casper, WY to Hermiston, OR) is 672.29 mi.

955 mi = 1,537.66 kms