Miles between Washington, DC and San Marcos, TX

There are
1,553 mi
from Washington, DC to San Marcos, TX

That's the driving distance. It would take 1 day 3 hours to go from Washington, District of Columbia to San Marcos, Texas.

The flight distance (direct flight from Washington, DC to San Marcos, TX) is 1,340.26 mi.

1,553 mi = 1.61 kms