| Rhondda to Bierun | 983.12 mi (1,582.19 km) |
| Rhondda to Bierun Stary | 983.58 mi (1,582.92 km) |
| Rhondda to Bilgoraj | 1,131.35 mi (1,820.74 km) |
| Rhondda to Biskupiec | 1,026.53 mi (1,652.05 km) |
| Rhondda to Blachownia | 967.02 mi (1,556.26 km) |
| Rhondda to Blonie | 1,020.56 mi (1,642.44 km) |
| Rhondda to Bochnia | 1,042.93 mi (1,678.44 km) |
| Rhondda to Bogatynia | 793.85 mi (1,277.58 km) |
| Rhondda to Boguszow-Gorce | 848.94 mi (1,366.24 km) |
| Rhondda to Boleslawiec | 815.65 mi (1,312.66 km) |
| Rhondda to Braniewo | 980.79 mi (1,578.42 km) |
| Rhondda to Brodnica | 963.42 mi (1,550.47 km) |
| Rhondda to Brwinow | 1,025.29 mi (1,650.04 km) |
| Rhondda to Brzeg | 902.46 mi (1,452.37 km) |
| Rhondda to Brzeg Dolny | 864.84 mi (1,391.82 km) |
