There are
1,994 mi
from San Mateo, CA to Champlin, MN
That's the driving distance. It would take 1 day 10 hours to go from San Mateo, California to Champlin, Minnesota.
The flight distance (direct flight from San Mateo, CA to Champlin, MN) is 1,579.56 mi.
1,994 mi = 1.61 kms