The distance between Porto and Algarve is 345 miles (555 km), stretching down the length of Portugal. There are several ways to get between the two cities, and for most visitors, the train is the best choice.

Traveling from Porto in the north to the Algarve in the south covers nearly the entire length of Portugal, a distance of approximately 550 kilometers (340 miles). By train, the journey typically takes between 5.5 and 6 hours. There are no "non-stop" high-speed lines that span the whole distance; instead, you usually take the premium Alfa Pendular or the Intercidades train from Porto-Campanhã. While a few direct trains exist daily that go all the way to Faro, many itineraries require a quick and easy transfer at Lisboa Oriente station. The ride is remarkably scenic, transitioning from the green, hilly landscapes of the Douro region through the plains of Alentejo and finally down to the orange groves and coastline of the Algarve. In 2026, a one-way ticket typically costs between €50 and €75, though booking in advance can yield significant discounts. For many travelers, the train is preferred over driving because it avoids the expensive highway tolls (which can exceed €50) and allows you to relax and enjoy the view of the Portuguese countryside at speeds of up to 220 km/h on certain stretches of the track.