It is 600 miles.
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.
The driving distance from Kansas City to Denver is 605 road miles using I-70 West.
The halfway driving distance from Denver, Colorado, to St. Louis, Missouri, is Trenton, Kansas. The total driving distance from Denver to St. Louis is 851 miles, which equals 1,370 kilometers.
The driving distance between Denver, CO and Kansas City, MO is 605 miles. The driving time would be approximately 9 hours 30 minutes if driving non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
You have to specify which Kansas City you are asking about.
The driving distance from Denver, Colorado to Salt Lake City, Utah is 517 miles.
The driving distance from Kansas City, MO to Alamogordo, NM is 853 miles.
It is 603 miles according to Google Maps.
The driving distance from Kennesaw, GA, USA to Kansas City, MO, USA is about 777.07mi / 1250.57km
The driving distance from Peoria, IL, USA to Kansas City, MO, USA is 350mi / 564.3km
The driving distance from Kansas City, Missouri to Boston, Massachusetts is 1,435 miles.
The driving distance is 178 miles to the Kansas state line on I-35.