Miles between Thousand Oaks, CA and Helena, MT

There are
1,203 mi
from Thousand Oaks, CA to Helena, MT

That's the driving distance. It would take 20 hours 24 mins to go from Thousand Oaks, California to Helena, Montana.

The flight distance (direct flight from Thousand Oaks, CA to Helena, MT) is 929.44 mi.

1,203 mi = 1.61 kms