I commute to work sporadically as it has to fit in with school runs and my partners availiability to help out, and whether or not I am teaching first thing in the morning.

But my commute is 22 km each way... I go from 600m above sea level (home) to just above sea level at work... going home is not only uphill but often into a head wind.

Its interesting to see all the different distances and terrains here