There are
1,873 mi
from Macomb, IL to Upland, CA
That's the driving distance. It would take 1 day 8 hours to go from Macomb, Illinois to Upland, California.
The flight distance (direct flight from Macomb, IL to Upland, CA) is 1,539.96 mi.
1,873 mi = 3,013.55 kms