Miles between Westminster, CO and Collinsville, IL

There are
864 mi
from Westminster, CO to Collinsville, IL

That's the driving distance. It would take 15 hours 21 mins to go from Westminster, Colorado to Collinsville, Illinois.

The flight distance (direct flight from Westminster, CO to Collinsville, IL) is 808.40 mi.

864 mi = 1,390.36 kms