Miles between St Louis, MO and Helena, MT

There are
1,508 mi
from St Louis, MO to Helena, MT

That's the driving distance. It would take 1 day 2 hours to go from St Louis, Missouri to Helena, Montana.

The flight distance (direct flight from St Louis, MO to Helena, MT) is 1,233.37 mi.

1,508 mi = 1.61 kms