Miles between Thornton, CO and Prospect Heights, IL

There are
1,000 mi
from Thornton, CO to Prospect Heights, IL

That's the driving distance. It would take 17 hours 41 mins to go from Thornton, Colorado to Prospect Heights, Illinois.

The flight distance (direct flight from Thornton, CO to Prospect Heights, IL) is 900.17 mi.

1,000 mi = 1,609.13 kms