Miles between Decatur, IL and Waterloo, IA

There are
319 mi
from Decatur, IL to Waterloo, IA

That's the driving distance. It would take 6 hours 1 min to go from Decatur, Illinois to Waterloo, Iowa.

The flight distance (direct flight from Decatur, IL to Waterloo, IA) is 254.21 mi.

319 mi = 513.09 kms