Miles between Westminster, CO and Prospect Heights, IL

There are
1,004 mi
from Westminster, CO to Prospect Heights, IL

That's the driving distance. It would take 17 hours 46 mins to go from Westminster, Colorado to Prospect Heights, Illinois.

The flight distance (direct flight from Westminster, CO to Prospect Heights, IL) is 904.07 mi.

1,004 mi = 1.61 kms