There are
1,807 mi
from Upland, CA to Collinsville, IL
That's the driving distance. It would take 1 day 7 hours to go from Upland, California to Collinsville, Illinois.
The flight distance (direct flight from Upland, CA to Collinsville, IL) is 1,564.58 mi.
1,807 mi = 1.61 kms