There are
1,571 mi
from Fayetteville, AR to San Marcos, CA
That's the driving distance. It would take 1 day 3 hours to go from Fayetteville, Arkansas to San Marcos, California.
The flight distance (direct flight from Fayetteville, AR to San Marcos, CA) is 1,320.81 mi.
1,571 mi = 1.61 kms