There are
792 mi
from Champaign, IL to Somerville, NJ
That's the driving distance. It would take 15 hours 25 mins to go from Champaign, Illinois to Somerville, New Jersey.
The flight distance (direct flight from Champaign, IL to Somerville, NJ) is 717.92 mi.
792 mi = 1,275.19 kms