Miles between Allen, TX and San Marcos, CA

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

That's the driving distance. It would take 23 hours 59 mins to go from Allen, Texas to San Marcos, California.

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

1,394 mi = 1.61 kms