Miles between Williamsport, PA and San Marcos, TX

There are
1,651 mi
from Williamsport, PA to San Marcos, TX

That's the driving distance. It would take 1 day 5 hours to go from Williamsport, Pennsylvania to San Marcos, Texas.

The flight distance (direct flight from Williamsport, PA to San Marcos, TX) is 1,408.66 mi.

1,651 mi = 2,657.08 kms