There are
634 mi
from Champaign, IL to Martinsburg, WV
That's the driving distance. It would take 12 hours 15 mins to go from Champaign, Illinois to Martinsburg, West Virginia.
The flight distance (direct flight from Champaign, IL to Martinsburg, WV) is 547.37 mi.
634 mi = 1,020.24 kms