There are
2,409 mi
from San Mateo, CA to Dearborn, MI
That's the driving distance. It would take 1 day 17 hours to go from San Mateo, California to Dearborn, Michigan.
The flight distance (direct flight from San Mateo, CA to Dearborn, MI) is 2,081.10 mi.
2,409 mi = 3.22 kms