There are
1,924 mi
from Temecula, CA to Effingham, IL
That's the driving distance. It would take 1 day 9 hours to go from Temecula, California to Effingham, Illinois.
The flight distance (direct flight from Temecula, CA to Effingham, IL) is 1,632.09 mi.
1,924 mi = 1.61 kms