Hello fellow BuckeyeS!!!!
That's true what sel says. In some cases, buses CAN BE the way to go because A) trains don't go there (to the smaller villages) or B) they're usually cheaper than trains.
But going from big city to big city, trains are usually much faster. And although a little more expensive but much more comfortable, I always prefer train travel in Spain.
I hope to take a short trip from Madrid to Córdoba just next month and went to Granada from Madrid a few months ago. It's so darn comfortable and so much nicer than going by buses because you have the restrooms (plural!), a dining car, you can get up and walk around easily, the seats are bigger and the leg-space is longer too.
Enjoy!
Saludos, MadridMan
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