Miles between San Marcos, CA and Allen, TX

There are
1,394 mi
from San Marcos, CA to Allen, TX

That's the driving distance. It would take 1 day to go from San Marcos, California to Allen, Texas.

The flight distance (direct flight from San Marcos, CA to Allen, TX) is 1,184.08 mi.

1,394 mi = 1.61 kms