| Porsgrunn to Aviano | 909.41 mi (1,463.55 km) |
| Porsgrunn to Avigliana | 974.71 mi (1,568.65 km) |
| Porsgrunn to Avigliano | 1,296.76 mi (2,086.94 km) |
| Porsgrunn to Avola | 1,552.93 mi (2,499.20 km) |
| Porsgrunn to Azzano Decimo | 922.73 mi (1,484.99 km) |
| Porsgrunn to Bacoli | 1,279.66 mi (2,059.42 km) |
| Porsgrunn to Badia Polesine | 971.27 mi (1,563.11 km) |
| Porsgrunn to Bagheria | 1,462.91 mi (2,354.32 km) |
| Porsgrunn to Bagnacavallo | 1,020.09 mi (1,641.67 km) |
| Porsgrunn to Bagnara Calabra | 1,464.61 mi (2,357.07 km) |
| Porsgrunn to Bagno a Ripoli | 1,063.84 mi (1,712.08 km) |
| Porsgrunn to Bagnolo in Piano | 992.25 mi (1,596.88 km) |
| Porsgrunn to Bagnolo Mella | 945.56 mi (1,521.73 km) |
| Porsgrunn to Barano d'Ischia | 1,284.32 mi (2,066.92 km) |
| Porsgrunn to Baranzate | 939.94 mi (1,512.68 km) |
