There are
976 mi
from Champaign, IL to Seabrook, TX
That's the driving distance. It would take 17 hours 36 mins to go from Champaign, Illinois to Seabrook, Texas.
The flight distance (direct flight from Champaign, IL to Seabrook, TX) is 823.66 mi.
976 mi = 1,570.14 kms