There's also Preston, Maryland in the US - finding UK town names which are not repeated elsewhere is hard!

It also makes driving around New England most confusing, since towns which _should not_ be in the same direction often are...

I just spent longer than reasonable zooming into random parts of Canada, it's quite funny seeing places like Morpeth south of London. And also satisfying to see Kent and Essex are neighbours in Canada, too. There were some surprising ones too, like Uttoxeter having a name-twin