There are
1,084 mi
from Champaign, IL to Las Vegas, NM
That's the driving distance. It would take 20 hours 38 mins to go from Champaign, Illinois to Las Vegas, New Mexico.
The flight distance (direct flight from Champaign, IL to Las Vegas, NM) is 975.78 mi.
1,084 mi = 1.61 kms