Miles between Billings, MT and Mill Valley, CA

There are
1,168 mi
from Billings, MT to Mill Valley, CA

That's the driving distance. It would take 21 hours 9 mins to go from Billings, Montana to Mill Valley, California.

The flight distance (direct flight from Billings, MT to Mill Valley, CA) is 902.66 mi.

1,168 mi = 1.61 kms