There are
2,141 mi
from Hillsboro, OR to Riverdale, IL
That's the driving distance. It would take 1 day 13 hours to go from Hillsboro, Oregon to Riverdale, Illinois.
The flight distance (direct flight from Hillsboro, OR to Riverdale, IL) is 1,775.35 mi.
2,141 mi = 3.22 kms