The drive from Monona to Denver covers approximately 1,600 kilometers. You will primarily use I-90 West to I-80 West, then I-76 West. Expect a total travel time of about 16 hours, usually split over two days. This route takes you through Iowa and Nebraska. It is a major cross-country journey that requires careful planning.
Total Distance: 1,600 km driving distance; 1,400 km straight-line air distance.
Plan for an overnight stop in Omaha or Kearney, Nebraska.
Summer or early Fall for the best mountain weather.