Miles between Decatur, IL and Ardmore, OK

There are
688 mi
from Decatur, IL to Ardmore, OK

That's the driving distance. It would take 12 hours 52 mins to go from Decatur, Illinois to Ardmore, Oklahoma.

The flight distance (direct flight from Decatur, IL to Ardmore, OK) is 597.35 mi.

688 mi = 1,107.37 kms