Miles between Gilbert, AZ and San Marcos, TX

There are
991 mi
from Gilbert, AZ to San Marcos, TX

That's the driving distance. It would take 16 hours 57 mins to go from Gilbert, Arizona to San Marcos, Texas.

The flight distance (direct flight from Gilbert, AZ to San Marcos, TX) is 848.51 mi.

991 mi = 1,594.37 kms