There are
2,083 mi
from San Mateo, CA to East Peoria, IL
That's the driving distance. It would take 1 day 11 hours to go from San Mateo, California to East Peoria, Illinois.
The flight distance (direct flight from San Mateo, CA to East Peoria, IL) is 1,758.25 mi.
2,083 mi = 3.22 kms