There are
1,164 mi
from Champaign, IL to Williston, ND
That's the driving distance. It would take 20 hours 44 mins to go from Champaign, Illinois to Williston, North Dakota.
The flight distance (direct flight from Champaign, IL to Williston, ND) is 940.13 mi.
1,164 mi = 1.61 kms