Miles between Billings, MT and Grass Valley, CA

There are
1,038 mi
from Billings, MT to Grass Valley, CA

That's the driving distance. It would take 18 hours 37 mins to go from Billings, Montana to Grass Valley, California.

The flight distance (direct flight from Billings, MT to Grass Valley, CA) is 782.77 mi.

1,038 mi = 1.61 kms