Miles between Plano, TX and Helena, MT

There are
1,563 mi
from Plano, TX to Helena, MT

That's the driving distance. It would take 1 day 3 hours to go from Plano, Texas to Helena, Montana.

The flight distance (direct flight from Plano, TX to Helena, MT) is 1,237.16 mi.

1,563 mi = 1.61 kms