There are
1,479 mi
from Bethlehem, PA to Duncanville, TX
That's the driving distance. It would take 1 day 2 hours to go from Bethlehem, Pennsylvania to Duncanville, Texas.
The flight distance (direct flight from Bethlehem, PA to Duncanville, TX) is 1,310.43 mi.
1,479 mi = 1.61 kms