| Swansea to Boekel | 4,412.34 mi (7,100.97 km) |
| Swansea to Bolsward | 4,357.48 mi (7,012.68 km) |
| Swansea to Borger | 4,407.88 mi (7,093.79 km) |
| Swansea to Borne | 4,428.00 mi (7,126.18 km) |
| Swansea to Boskoop | 4,358.68 mi (7,014.62 km) |
| Swansea to Boxmeer | 4,421.14 mi (7,115.13 km) |
| Swansea to Boxtel | 4,400.49 mi (7,081.91 km) |
| Swansea to Breda | 4,379.47 mi (7,048.08 km) |
| Swansea to Breukelen | 4,368.18 mi (7,029.91 km) |
| Swansea to Brielle | 4,346.25 mi (6,994.62 km) |
| Swansea to Bronkhorst | 4,414.77 mi (7,104.88 km) |
| Swansea to Brummen | 4,413.54 mi (7,102.91 km) |
| Swansea to Brunssum | 4,446.10 mi (7,155.30 km) |
| Swansea to Bunnik | 4,380.87 mi (7,050.33 km) |
| Swansea to Burgum | 4,369.84 mi (7,032.58 km) |
