There are
1,540 mi
from Champaign, IL to Flagstaff, AZ
That's the driving distance. It would take 1 day 2 hours to go from Champaign, Illinois to Flagstaff, Arizona.
The flight distance (direct flight from Champaign, IL to Flagstaff, AZ) is 1,319.70 mi.
1,540 mi = 1.61 kms