The drive from Lee's Summit to Denver, Colorado, is approximately 950 kilometers and takes about 9 hours via I-70 W. This route takes you across the plains of Kansas and into the foothills of the Rocky Mountains. It is a long but straightforward highway drive. Be prepared for changing weather conditions as you gain elevation.
Total Distance: 950 km driving, 850 km straight-line.
I-70 across Kansas is flat and can be monotonous; take frequent breaks.
Summer for hiking or winter for skiing in the nearby mountains.