By bus

The bus station with most national and international connections in Barcelona is the Estación del Norte, though there are also buses from Sants Station and from other parts of the city.

Estación del Norte bus station:
Alí-bei, 80
Metro: Arc de Triomf, red line (L1)

Barcelona Sants bus station:
Viriat, s/n (08014)
Metro: Sants Estació – blue line (L5) and green line (L3)