Miles between Decatur, IL and Grain Valley, MO

There are
339 mi
from Decatur, IL to Grain Valley, MO

That's the driving distance. It would take 6 hours 25 mins to go from Decatur, Illinois to Grain Valley, Missouri.

The flight distance (direct flight from Decatur, IL to Grain Valley, MO) is 285.56 mi.

339 mi = 545.92 kms