It is 600 miles.
430 driving miles or 346 miles as a crow flies.
About 616 miles.
It is 603 miles according to Google Maps.
About 600.
It is 601.78 miles according to MapQuest.
It is 600 miles.
The driving distance from Kansas City to Denver is 605 road miles using I-70 West.
It is about 600 miles via I-70.
The driving distance from Kansas City to Denver is 604 miles per Map Quest. The driving time to Denver per Map Quest is 8 hours and 34 minutes.
It is 942 miles according to Google Maps.
It is 750.57 miles according to MapQuest.