There are
1,319 mi
from San Marcos, CA to Wichita Falls, TX
That's the driving distance. It would take 23 hours 7 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.
1,319 mi = 1.61 kms