Miles between Boise, ID and St Charles, MO

There are
1,603 mi
from Boise, ID to St Charles, MO

That's the driving distance. It would take 1 day 3 hours to go from Boise, Idaho to St Charles, Missouri.

The flight distance (direct flight from Boise, ID to St Charles, MO) is 1,372.27 mi.

1,603 mi = 1.61 kms