There are
1,815 mi
from Hemet, CA to Collinsville, IL
That's the driving distance. It would take 1 day 7 hours to go from Hemet, California to Collinsville, Illinois.
The flight distance (direct flight from Hemet, CA to Collinsville, IL) is 1,536.51 mi.
1,815 mi = 1.61 kms