There are
1,304 mi
from San Marcos, CA to Wichita Falls, TX
That's the driving distance. It would take 22 hours 56 mins to go from San Marcos, California to Wichita Falls, Texas.
The flight distance (direct flight from San Marcos, CA to Wichita Falls, TX) is 1,075.32 mi.
1,304 mi = 2,098.74 kms