Translation of smoothness in Spanish

So we first went to look for other hotels in the area, some where horrible even though they were rated as three star hotels. In the end we bought the three day voucher at the travel agent's office.
Why do you wanna learn to speak Portuguese, it's a very difficult language? I don't know many people who can speak well, except Portuguese and Brazilians of course. I love the sound of it.
We a lot of luck we had made the entire journey in one day, leaving around 1500km behind us. The town turned out to be great. A lot of young people, many bars and restaurant and a great atmosphere.