There are
2,404 mi
from San Mateo, CA to Campbellsville, KY
That's the driving distance. It would take 1 day 18 hours to go from San Mateo, California to Campbellsville, Kentucky.
The flight distance (direct flight from San Mateo, CA to Campbellsville, KY) is 2,015.28 mi.
2,404 mi = 3.22 kms