We did a range test on our Onewheel XR and happy to report we actually got 18 miles on a fairly flat paved bike path. Rider was 5'10 and 170lb with another 5-7lb of gear in a backpack. See video below:
Also did an off road range test this weekend at an 8 mile loop that included some hills, gravel and rocky terrain. After the 8 mile loop still had 44% battery remaining!