| Sioux City to Bierun | 4,949.36 mi (7,965.23 km) |
| Sioux City to Bierun Stary | 4,951.28 mi (7,968.32 km) |
| Sioux City to Bilgoraj | 5,038.64 mi (8,108.91 km) |
| Sioux City to Biskupiec | 4,820.58 mi (7,757.98 km) |
| Sioux City to Blachownia | 4,913.29 mi (7,907.17 km) |
| Sioux City to Blonie | 4,893.06 mi (7,874.62 km) |
| Sioux City to Bochnia | 4,997.96 mi (8,043.44 km) |
| Sioux City to Bogatynia | 4,781.49 mi (7,695.06 km) |
| Sioux City to Boguszow-Gorce | 4,827.70 mi (7,769.43 km) |
| Sioux City to Boleslawiec | 4,783.97 mi (7,699.06 km) |
| Sioux City to Braniewo | 4,762.93 mi (7,665.20 km) |
| Sioux City to Brodnica | 4,805.05 mi (7,732.98 km) |
| Sioux City to Brwinow | 4,898.90 mi (7,884.02 km) |
| Sioux City to Brzeg | 4,863.26 mi (7,826.66 km) |
| Sioux City to Brzeg Dolny | 4,820.05 mi (7,757.13 km) |
