| Swansea to Borsbeek | 4,381.64 mi (7,051.57 km) |
| Swansea to Boussu | 4,381.39 mi (7,051.17 km) |
| Swansea to Braine-l'Alleud | 4,395.03 mi (7,073.12 km) |
| Swansea to Braine-le-Chateau | 4,390.94 mi (7,066.53 km) |
| Swansea to Braine-le-Comte | 4,388.67 mi (7,062.88 km) |
| Swansea to Brasschaat | 4,378.73 mi (7,046.88 km) |
| Swansea to Brecht | 4,382.22 mi (7,052.50 km) |
| Swansea to Bredene | 4,323.37 mi (6,957.79 km) |
| Swansea to Bree | 4,425.33 mi (7,121.88 km) |
| Swansea to Bruges | 4,333.64 mi (6,974.32 km) |
| Swansea to Brussels | 4,388.66 mi (7,062.86 km) |
| Swansea to Buggenhout | 4,377.68 mi (7,045.20 km) |
| Swansea to Chapelle-lez-Herlaimont | 4,398.93 mi (7,079.40 km) |
| Swansea to Charleroi | 4,406.95 mi (7,092.30 km) |
| Swansea to Chatelet | 4,410.14 mi (7,097.43 km) |
