| Siemianowice Slaskie to Opwijk | 649.53 mi (1,045.32 km) |
| Siemianowice Slaskie to Ostend | 703.98 mi (1,132.95 km) |
| Siemianowice Slaskie to Oud-Heverlee | 628.77 mi (1,011.91 km) |
| Siemianowice Slaskie to Oud-Turnhout | 614.78 mi (989.40 km) |
| Siemianowice Slaskie to Oudenaarde | 675.22 mi (1,086.67 km) |
| Siemianowice Slaskie to Oudenburg | 700.54 mi (1,127.42 km) |
| Siemianowice Slaskie to Oupeye | 586.46 mi (943.81 km) |
| Siemianowice Slaskie to Overijse | 634.72 mi (1,021.49 km) |
| Siemianowice Slaskie to Overpelt | 595.92 mi (959.04 km) |
| Siemianowice Slaskie to Paal | 606.43 mi (975.96 km) |
| Siemianowice Slaskie to Peer | 594.25 mi (956.35 km) |
| Siemianowice Slaskie to Pepinster | 579.32 mi (932.32 km) |
| Siemianowice Slaskie to Peruwelz | 677.39 mi (1,090.16 km) |
| Siemianowice Slaskie to Perwez | 622.96 mi (1,002.56 km) |
| Siemianowice Slaskie to Philippeville | 636.97 mi (1,025.11 km) |
