Miles between Decatur, IL and Mandan, ND

There are
938 mi
from Decatur, IL to Mandan, ND

That's the driving distance. It would take 16 hours 52 mins to go from Decatur, Illinois to Mandan, North Dakota.

The flight distance (direct flight from Decatur, IL to Mandan, ND) is 768.47 mi.

938 mi = 1,510.25 kms