I just purchased plane tickets for my next trip; 27 days in May and June visiting Spain, France, Belgium, the Netherlands, and Britain. Here's a rough, preliminary overview of my itinerary via Google Maps.
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My itinerary (27 days in Europe, 26 travel days, 5/15 - 6/9):
Spain
Barcelona (2 days/2 nights) - Plane/Plane
Fly from Barcelona to Madrid
Madrid (2 days/2 nights) - Plane/Car
Toledo (1 day/1 night) - Car/Car
Granada (2 days/2 nights) - Car/Car
Andalucia (2 days/2 nights) - Car/Car
Sevilla (2 days/2 nights) - Car/Plane
Fly from Sevilla to Toulouse
France
Arrive in Toulouse, rent car, drive to Carcassonne
Carcassonne/Arles (2 days/2 nights) - Plane/Car
Dordogne (2 days/2 nights) - Car/Car
Loire (2 days/2 nights) - Car/Car
Normandy (2 days/2 nights) - Car/Car
Paris (2 days/2 nights) - Car/Train
Drop off rental car in Paris, Train to Bruges
Belgium/Netherlands
Train from Paris to Bruges
Bruges (2 days/2 nights) - Train/Train
Amsterdam (2 days/2 nights) - Train/Train
Train to Brussels and then to London
Britain
Train from Asterdam/Brussels to London
London (2 days/2 nights) - Train/Plane
Fly home from London
Things I might cut: Andalucia (freeing up a day or two for London); Amsterdam (in order to add days to London); Bruges (instead of cutting Amsterdam)
