Miles between Antioch, CA and Helena, MT

There are
1,072 mi
from Antioch, CA to Helena, MT

That's the driving distance. It would take 18 hours 40 mins to go from Antioch, California to Helena, Montana.

The flight distance (direct flight from Antioch, CA to Helena, MT) is 774.70 mi.

1,072 mi = 1.61 kms