There are
2,062 mi
from San Marcos, CA to Bloomington, IN
That's the driving distance. It would take 1 day 12 hours to go from San Marcos, California to Bloomington, Indiana.
The flight distance (direct flight from San Marcos, CA to Bloomington, IN) is 1,750.22 mi.
2,062 mi = 3,318.81 kms