Miles between Broomfield, CO and Alton, IL

There are
863 mi
from Broomfield, CO to Alton, IL

That's the driving distance. It would take 15 hours 17 mins to go from Broomfield, Colorado to Alton, Illinois.

The flight distance (direct flight from Broomfield, CO to Alton, IL) is 797.84 mi.

863 mi = 1,388.92 kms