Miles between Casper, WY and Ontario, OR

There are
762 mi
from Casper, WY to Ontario, OR

That's the driving distance. It would take 12 hours 50 mins to go from Casper, Wyoming to Ontario, Oregon.

The flight distance (direct flight from Casper, WY to Ontario, OR) is 539.82 mi.

762 mi = 1,226.61 kms