There are
1,868 mi
from San Mateo, CA to Fairmont, MN
That's the driving distance. It would take 1 day 8 hours to go from San Mateo, California to Fairmont, Minnesota.
The flight distance (direct flight from San Mateo, CA to Fairmont, MN) is 1,512.92 mi.
1,868 mi = 1.61 kms