There are
1,864 mi
from Carlsbad, CA to Edwardsville, IL
That's the driving distance. It would take 1 day 8 hours to go from Carlsbad, California to Edwardsville, Illinois.
The flight distance (direct flight from Carlsbad, CA to Edwardsville, IL) is 1,574.27 mi.
1,864 mi = 2,999.79 kms