There are
2,006 mi
from San Clemente, CA to Elgin, IL
That's the driving distance. It would take 1 day 11 hours to go from San Clemente, California to Elgin, Illinois.
The flight distance (direct flight from San Clemente, CA to Elgin, IL) is 1,699.40 mi.
2,006 mi = 3,228.16 kms