There are
1,501 mi
from San Antonio, TX to West Mifflin, PA
That's the driving distance. It would take 1 day 3 hours to go from San Antonio, Texas to West Mifflin, Pennsylvania.
The flight distance (direct flight from San Antonio, TX to West Mifflin, PA) is 1,293.85 mi.
1,501 mi = 1.61 kms