Miles between Billings, MT and Duarte, CA

There are
1,221 mi
from Billings, MT to Duarte, CA

That's the driving distance. It would take 21 hours 28 mins to go from Billings, Montana to Duarte, California.

The flight distance (direct flight from Billings, MT to Duarte, CA) is 946.64 mi.

1,221 mi = 1.61 kms