The Etruscans only had to traverse the Mediterranean, not the North Sea. In both cases, there was so much coming and going that knowledge of the territories was current and thorough.
Perhaps.
But the linear distance between Asia Minor and northwestern Italy is greater than the linear distance between the coast of northern Germany and coast of Britain. Additionally the Etruscans, like most Ancient sailors, would probably have followed the coastlines wherever possible, which would have made the journy even longer.
I wonder why they selected that spot rather than place closer - like Sicily ?