Miles between San Antonio, TX and Helena, MT

There are
1,709 mi
from San Antonio, TX to Helena, MT

That's the driving distance. It would take 1 day 5 hours to go from San Antonio, Texas to Helena, Montana.

The flight distance (direct flight from San Antonio, TX to Helena, MT) is 1,392.09 mi.

1,709 mi = 1.61 kms