Miles between Casper, WY and Mill Valley, CA

There are
1,146 mi
from Casper, WY to Mill Valley, CA

That's the driving distance. It would take 19 hours 55 mins to go from Casper, Wyoming to Mill Valley, California.

The flight distance (direct flight from Casper, WY to Mill Valley, CA) is 918.55 mi.

1,146 mi = 1,844.11 kms