There are
638 mi
from Champaign, IL to Suwanee, GA
That's the driving distance. It would take 11 hours 49 mins to go from Champaign, Illinois to Suwanee, Georgia.
The flight distance (direct flight from Champaign, IL to Suwanee, GA) is 477.85 mi.
638 mi = 1,026.53 kms