There are
1,961 mi
from Upland, CA to Glendale Heights, IL
That's the driving distance. It would take 1 day 10 hours to go from Upland, California to Glendale Heights, Illinois.
The flight distance (direct flight from Upland, CA to Glendale Heights, IL) is 1,688.16 mi.
1,961 mi = 1.61 kms