Miles between Billings, MT and Napa, CA

There are
1,143 mi
from Billings, MT to Napa, CA

That's the driving distance. It would take 20 hours 32 mins to go from Billings, Montana to Napa, California.

The flight distance (direct flight from Billings, MT to Napa, CA) is 874.48 mi.

1,143 mi = 1.61 kms