Miles between St George, UT and Duncanville, TX

There are
1,177 mi
from St George, UT to Duncanville, TX

That's the driving distance. It would take 21 hours 52 mins to go from St George, Utah to Duncanville, Texas.

The flight distance (direct flight from St George, UT to Duncanville, TX) is 991.96 mi.

1,177 mi = 1.61 kms