| Swansea to Bitonto | 5,255.61 mi (8,458.08 km) |
| Swansea to Bitritto | 5,264.56 mi (8,472.50 km) |
| Swansea to Bollate | 4,767.97 mi (7,673.31 km) |
| Swansea to Bologna | 4,898.87 mi (7,883.97 km) |
| Swansea to Bolzano | 4,818.98 mi (7,755.40 km) |
| Swansea to Bomporto | 4,876.86 mi (7,848.55 km) |
| Swansea to Bonate di Sopra | 4,780.74 mi (7,693.86 km) |
| Swansea to Bondeno | 4,886.11 mi (7,863.43 km) |
| Swansea to Bordighera | 4,777.34 mi (7,688.39 km) |
| Swansea to Borgaro Torinese | 4,724.22 mi (7,602.90 km) |
| Swansea to Borgo a Buggiano | 4,898.95 mi (7,884.09 km) |
| Swansea to Borgo San Dalmazzo | 4,748.63 mi (7,642.18 km) |
| Swansea to Borgo San Lorenzo | 4,922.50 mi (7,922.01 km) |
| Swansea to Borgomanero | 4,736.13 mi (7,622.07 km) |
| Swansea to Borgoricco | 4,882.27 mi (7,857.25 km) |
