| Porsgrunn to Azcoitia | 1,213.83 mi (1,953.47 km) |
| Porsgrunn to Azpeitia | 1,212.85 mi (1,951.89 km) |
| Porsgrunn to Azuqueca de Henares | 1,400.41 mi (2,253.73 km) |
| Porsgrunn to Badajoz | 1,579.48 mi (2,541.93 km) |
| Porsgrunn to Badalona | 1,263.68 mi (2,033.69 km) |
| Porsgrunn to Baena | 1,611.33 mi (2,593.18 km) |
| Porsgrunn to Baeza | 1,572.92 mi (2,531.37 km) |
| Porsgrunn to Bailen | 1,571.34 mi (2,528.83 km) |
| Porsgrunn to Balaguer | 1,256.92 mi (2,022.82 km) |
| Porsgrunn to Banolas | 1,211.57 mi (1,949.83 km) |
| Porsgrunn to Baranain | 1,227.28 mi (1,975.11 km) |
| Porsgrunn to Barbadanes | 1,384.81 mi (2,228.64 km) |
| Porsgrunn to Barbastro | 1,249.80 mi (2,011.36 km) |
| Porsgrunn to Barcelona | 1,267.73 mi (2,040.21 km) |
| Porsgrunn to Bargas | 1,454.37 mi (2,340.58 km) |
