Miles between Centennial, CO and Romeoville, IL

There are
1,000 mi
from Centennial, CO to Romeoville, IL

That's the driving distance. It would take 17 hours 38 mins to go from Centennial, Colorado to Romeoville, Illinois.

The flight distance (direct flight from Centennial, CO to Romeoville, IL) is 890.53 mi.

1,000 mi = 1.61 kms