There are
1,892 mi
from Macomb, IL to Arcadia, CA
That's the driving distance. It would take 1 day 9 hours to go from Macomb, Illinois to Arcadia, California.
The flight distance (direct flight from Macomb, IL to Arcadia, CA) is 1,558.92 mi.
1,892 mi = 3,044.97 kms