Max elevation: 10992 ft / 3350 m Min elevation: 285 ft / 87 m Elevation change: 10707 ft / 3264 m
Max grade: 4.5% Min grade: -4.4% Steepness score: 60 + 451 + 3069 + 65 = 3645
Distance: 2017.23 mi / 3246.42 km Travel Time: 29 hours 14 mins
It looks like one possible route that might be flatter would be to go through Killeen, but make sure you double check everything if you're planning a road trip.
Elevation data comes from different sources and may not reflect true
driving conditions, so talk to other RVers if you're concerned about
steep grades. If you're planning to drive in the winter and you want to avoid snow, check the road conditions from Los Angeles to Chicago. You can also view a 3-D map of Los Angeles elevation or Chicago elevation.
These are some of the possible highways along this route. Use the GPS in your car to verify all driving directions. If you're looking for campgrounds along the way, search for RV parks between Los Angeles and Chicago.