How long does it really take to walk to Finisterre?

The question is from 2006, but still valid:

I really want to travel on to the ‘end of the world’–and then public transport my way back to Barcelona. But I would like to know, honestly, how many miles is it to Finisterre? How long would it take to make the journey?

Read all the answers on how long does it really take to walk to Finisterre here on the Camino Forum.