Miles between Decatur, IL and Mccomb, MS

There are
663 mi
from Decatur, IL to Mccomb, MS

That's the driving distance. It would take 12 hours 10 mins to go from Decatur, Illinois to Mccomb, Mississippi.

The flight distance (direct flight from Decatur, IL to Mccomb, MS) is 599.88 mi.

663 mi = 1,066.62 kms