There are
971 mi
from Elgin, IL to Seagoville, TX
That's the driving distance. It would take 17 hours 40 mins to go from Elgin, Illinois to Seagoville, Texas.
The flight distance (direct flight from Elgin, IL to Seagoville, TX) is 791.18 mi.
971 mi = 1,562.28 kms