There are
1,125 mi
from Mt Prospect, IL to Seabrook, TX
That's the driving distance. It would take 20 hours 27 mins to go from Mt Prospect, Illinois to Seabrook, Texas.
The flight distance (direct flight from Mt Prospect, IL to Seabrook, TX) is 949.86 mi.
1,125 mi = 1,810.91 kms