| Swansea to Bierun | 4,952.22 mi (7,969.82 km) |
| Swansea to Bierun Stary | 4,953.86 mi (7,972.47 km) |
| Swansea to Bilgoraj | 5,056.48 mi (8,137.62 km) |
| Swansea to Biskupiec | 4,851.66 mi (7,807.99 km) |
| Swansea to Blachownia | 4,919.54 mi (7,917.23 km) |
| Swansea to Blonie | 4,913.18 mi (7,907.00 km) |
| Swansea to Bochnia | 5,004.54 mi (8,054.03 km) |
| Swansea to Bogatynia | 4,775.25 mi (7,685.03 km) |
| Swansea to Boguszow-Gorce | 4,824.64 mi (7,764.51 km) |
| Swansea to Boleslawiec | 4,781.95 mi (7,695.80 km) |
| Swansea to Braniewo | 4,793.53 mi (7,714.44 km) |
| Swansea to Brodnica | 4,827.50 mi (7,769.11 km) |
| Swansea to Brwinow | 4,919.01 mi (7,916.38 km) |
| Swansea to Brzeg | 4,865.05 mi (7,829.54 km) |
| Swansea to Brzeg Dolny | 4,821.80 mi (7,759.93 km) |
