There are
2,005 mi
from Evanston, IL to Monrovia, CA
That's the driving distance. It would take 1 day 11 hours to go from Evanston, Illinois to Monrovia, California.
The flight distance (direct flight from Evanston, IL to Monrovia, CA) is 1,725.64 mi.
2,005 mi = 3.22 kms