There are
1,425 mi
from Elgin, IL to Weslaco, TX
That's the driving distance. It would take 1 day 2 hours to go from Elgin, Illinois to Weslaco, Texas.
The flight distance (direct flight from Elgin, IL to Weslaco, TX) is 1,227.68 mi.
1,425 mi = 1.61 kms