In these cases why are they anti-plane? Especially to Naples
https://www.theguardian.com/travel/...ng-city-breaks-in-europe-from-ghent-to-naples
Six perfect unsung city breaks in Europe – from Ghent to Naples
No famous capitals, fewer tourists, loads to see, excellent food –
and all a train ride away
Naples: Get there
Eurostar from London, then an overnight train from Paris to Milan. The high-speed Frecciarossa train from Milan to Naples takes five hours
Freiburg Get there
Trains operated by Eurostar, TGV Lyria and Deutsche Bahn connect Freiburg to London in under seven hours.
Alicante Get there
Eurostar to Gare du Nord, and transfer to Gare du Lyon for a train to Barcelona Sants. From Barcelona Nord there is a direct train to Alicante