Your best bet is to call it 600 miles as the locals do. About 616 miles would be a better number according to MapQuest, and the specific route can make a difference.
It is 603 miles according to Google Maps.
About 335 miles by the fastest route if you are driving. Just head north to Oakley and catch I-70 west.
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.