Max elevation: 1119 ft / 341 m Min elevation: 784 ft / 239 m Elevation change: 336 ft / 102 m
Max grade: 3.3% Min grade: -2.6% Steepness score: 17 + 326 + 1865 + 5 = 2214
Distance: 154.17 mi / 248.12 km Travel Time: 2 hours 24 mins
It looks like one possible route that might be flatter would be to go through Whitehouse (Ohio), 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 Fort Wayne to Ann Arbor. You can also view a 3-D map of Fort Wayne elevation or Ann Arbor 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 Fort Wayne and Ann Arbor.