There are
2,292 mi
from Carmel, IN to San Mateo, CA
That's the driving distance. It would take 1 day 15 hours to go from Carmel, Indiana to San Mateo, California.
The flight distance (direct flight from Carmel, IN to San Mateo, CA) is 1,944.23 mi.
2,292 mi = 3.22 kms