Originally Posted by
Looigi
Zoom in and look at the route closely on the map. It could be difference in GPS performance between the two phones or their GPS reception depending on where and how you carry them on your person. If yours is dropping a lot of points it'll show up a shorter.
Ah yes, my route showed a very straight line, but hers was really jagged and twisty on the exact same path when we were side-by-side the whole time. Wish her distance was the accurate one!