Elevation from Flagstaff to Phoenix via Winslow (Arizona)

Elevation (ft)1,0002,0003,0004,0005,0006,0007,0008,000
Grade %-8-6-4-202468
Max elevation: 7017 ft / 2139 m
Min elevation: 1078 ft / 329 m
Elevation change: 5939 ft / 1810 m
Max grade: 6.8%
Min grade: -7.2%
Steepness score: 85 + 717 + 6570 + 8 = 7381
Distance: 262.14 mi / 421.87 km
Travel Time: 4 hours 3 mins

  Difficulty% Grade
Very Difficult>20%
This alternate route appears to be flatter than the direct route from Flagstaff to Phoenix. The "steepness" score is 7381 which is lower than the score of 11098 for the direct route. A lower score means the route is likely to be flatter, but you should also check with other travelers to find out if the roads might be more difficult. If we break down the score into components, the first part is the average elevation score, which is 85 vs 69 for the direct route. The second part is the maximum grade or slope score, which is 717 compared to 814. The third part measures the average grade. This route has a grading score of 6570 vs 10210. Finally, the last part factors in the extra driving distance, which has a score of 8 vs 5. All of these components make up the total score that we use to determine which route has greater steepness and elevation change to give you an idea of waypoints that might lead to the flattest route.
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. For alternate routes, check the main Flagstaff to Phoenix elevation profile. If you're planning to drive in the winter and you want to avoid snow, check the road conditions from Flagstaff to Phoenix. You can also view a 3-D map of Flagstaff elevation or Phoenix elevation.

Flattest Route x
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 Flagstaff and Phoenix.

I-40117 mi / 188 km
I-17139 mi / 224 km