Miles between Allentown, PA and San Marcos, CA

There are
2,712 mi
from Allentown, PA to San Marcos, CA

That's the driving distance. It would take 2 days to go from Allentown, Pennsylvania to San Marcos, California.

The flight distance (direct flight from Allentown, PA to San Marcos, CA) is 2,337.73 mi.

2,712 mi = 3.22 kms