There are
2,007 mi
from Palatine, IL to Placentia, CA
That's the driving distance. It would take 1 day 11 hours to go from Palatine, Illinois to Placentia, California.
The flight distance (direct flight from Palatine, IL to Placentia, CA) is 1,711.04 mi.
2,007 mi = 3,230.72 kms