There are
2,483 mi
from San Marcos, CA to Titusville, FL
That's the driving distance. It would take 1 day 19 hours to go from San Marcos, California to Titusville, Florida.
The flight distance (direct flight from San Marcos, CA to Titusville, FL) is 2,167.81 mi.
2,483 mi = 3.22 kms