There are
2,451 mi
from San Diego, CA to West Mifflin, PA
That's the driving distance. It would take 1 day 19 hours to go from San Diego, California to West Mifflin, Pennsylvania.
The flight distance (direct flight from San Diego, CA to West Mifflin, PA) is 2,119.63 mi.
2,451 mi = 3.22 kms