There are
1,000 mi
from Longmont, CO to Palos Hills, IL
That's the driving distance. It would take 17 hours 53 mins to go from Longmont, Colorado to Palos Hills, Illinois.
The flight distance (direct flight from Longmont, CO to Palos Hills, IL) is 906.88 mi.
1,000 mi = 1,609.16 kms