Miles between Decatur, IL and Ballwin, MO

There are
140 mi
from Decatur, IL to Ballwin, MO

That's the driving distance. It would take 3 hours to go from Decatur, Illinois to Ballwin, Missouri.

The flight distance (direct flight from Decatur, IL to Ballwin, MO) is 121.07 mi.

140 mi = 225.34 kms