I wondered about my return trip while commuting on a bike and later used a device to track speed, location, etc while riding and found that it was actually abou

I wondered about my return trip while commuting on a bike and later used a device to track speed, location, etc while riding and found that it was actually about 6 minutes shorter because it was slightly downhill most of the way (but not noticeable) and I was travelling faster for the duration.