| Portsmouth to Aviano | 705.55 mi (1,135.47 km) |
| Portsmouth to Avigliana | 556.89 mi (896.22 km) |
| Portsmouth to Avigliano | 1,063.47 mi (1,711.49 km) |
| Portsmouth to Avola | 1,248.88 mi (2,009.87 km) |
| Portsmouth to Azzano Decimo | 717.81 mi (1,155.21 km) |
| Portsmouth to Bacoli | 1,002.30 mi (1,613.05 km) |
| Portsmouth to Badia Polesine | 701.87 mi (1,129.55 km) |
| Portsmouth to Bagheria | 1,131.73 mi (1,821.34 km) |
| Portsmouth to Bagnacavallo | 750.26 mi (1,207.43 km) |
| Portsmouth to Bagnara Calabra | 1,195.08 mi (1,923.30 km) |
| Portsmouth to Bagno a Ripoli | 757.03 mi (1,218.32 km) |
| Portsmouth to Bagnolo in Piano | 686.17 mi (1,104.29 km) |
| Portsmouth to Bagnolo Mella | 637.67 mi (1,026.23 km) |
| Portsmouth to Barano d'Ischia | 1,000.91 mi (1,610.81 km) |
| Portsmouth to Baranzate | 594.07 mi (956.06 km) |
