There are
2,010 mi
from Peoria, IL to Lemon Grove, CA
That's the driving distance. It would take 1 day 11 hours to go from Peoria, Illinois to Lemon Grove, California.
The flight distance (direct flight from Peoria, IL to Lemon Grove, CA) is 1,608.06 mi.
2,010 mi = 3.22 kms