If he looks at a map even if he went there now, he still hadn't heard of it, so there is nothing wrong with his comment.. it is still true.
to the New World here" - is Plymouth technically the correct answer? The Mayflower started on its voyage to the New World at Rotherhithe, near London. It then stopped off at Southampton (as planned I think) and set off with the Speedwell. They then had to turn back twice, stopping at Dartmouth and the Plymouth, due to leaks, in order to be repaired.