The drive from Gardner to Denver, Colorado, is approximately 600 miles and takes about 9 hours. You will travel west on I-70 across the plains of Kansas and into the mountains of Colorado. Denver is a major city known for its outdoor activities, craft breweries, and proximity to the Rocky Mountains.
Total Distance: 960 km driving distance; 850 km straight-line air distance.
Be prepared for long stretches of open road in western Kansas.
Summer and fall for pleasant weather for outdoor activities.