There are
1,578 mi
from San Marcos, CA to Bella Vista, AR
That's the driving distance. It would take 1 day 3 hours to go from San Marcos, California to Bella Vista, Arkansas.
The flight distance (direct flight from San Marcos, CA to Bella Vista, AR) is 1,315.72 mi.
1,578 mi = 2,540.18 kms