Direct TGV trains to Barcelona leave Paris two to four times per day. The frequency is higher in summer than winter. The TGVs to Barcelona leave from the Gare de Lyon in Paris. In Barcelona they terminate at Sants station. This journey is focused on speed, so there are not a lot of stops along the way - from six to ten depending on which train you take. All trains stop at the historic cities of Montpellier, Perpignan and Girona. There is some very fine scenery along the way too. Early on in the journey, you sweep through Burgundy vineyards, and later on there are engaging views of the coastal landscapes of Languedoc. After the stop at Perpignan, the train speeds south towards the Pyrenees, before diving under the mountains in the Perthus Tunnel.

If you worry that six and half hours if a long time to spend on one train, fear not! This rates as one of favourite high-speed routes. You can relax and gaze out of the window and, from to time, wander along to the bistro for a coffee or a snack. The direct services from Paris to Barcelona are all operated by French TGV trains. But it's a joint venture with Spanish rail operator Renfe, so you find a dash of Spanish style combining with French flair on this international route.

• TGV train guide

Take a high-speed AVE train directly from Barcelona Sants station to Madrid Atocha. Trains that stop up to four times along the way may take 30 to 40 minutes longer. This journey along Spain's premier high-speed rail route reveals a variety of passing landscapes as you speed from Catalonia through Aragon to the Spanish heartland.

• AVE train guide