How do you get from Ireland to Switzerland?

The quickest way is to fly. You could go overland by getting a ferry to Britain and then France, or get one direct to France from Ireland. From there you could drive or get a coach or train.
The quickest way is to fly. You could go overland by getting a ferry to Britain and then France, or get one direct to France from Ireland. From there you could drive or get a coach or train.