11km each way.

To work by bike: 35 minutes (depending on weather, lights, whether i"m chased by rabid dogs, wind, fog, slippery leaves, the desire to actually get to work etc)

Home by bike: a little longer as it's up, up, up. And more traffic/lights. And darker at this time of year.

By car: 10 minutes depending on traffic.

By bus: 30 minutes.

I wouldn't give up my bike commute for the world. Except on snowy and black ice days.