Miles between San Marcos, CA and Richardson, TX

There are
1,383 mi
from San Marcos, CA to Richardson, TX

That's the driving distance. It would take 23 hours 48 mins to go from San Marcos, California to Richardson, Texas.

The flight distance (direct flight from San Marcos, CA to Richardson, TX) is 1,181.79 mi.

1,383 mi = 1.61 kms