There are
2,452 mi
from Mckeesport, PA to San Clemente, CA
That's the driving distance. It would take 1 day 19 hours to go from Mckeesport, Pennsylvania to San Clemente, California.
The flight distance (direct flight from Mckeesport, PA to San Clemente, CA) is 2,123.17 mi.
2,452 mi = 3,945.31 kms