Miles between Decatur, IL and Clayton, MO

There are
126 mi
from Decatur, IL to Clayton, MO

That's the driving distance. It would take 2 hours 39 mins to go from Decatur, Illinois to Clayton, Missouri.

The flight distance (direct flight from Decatur, IL to Clayton, MO) is 110.51 mi.

126 mi = 202.13 kms