| Silves to Opwijk | 1,136.23 mi (1,828.58 km) |
| Silves to Ostend | 1,118.37 mi (1,799.85 km) |
| Silves to Oud-Heverlee | 1,142.20 mi (1,838.19 km) |
| Silves to Oud-Turnhout | 1,176.75 mi (1,893.80 km) |
| Silves to Oudenaarde | 1,114.40 mi (1,793.45 km) |
| Silves to Oudenburg | 1,117.92 mi (1,799.12 km) |
| Silves to Oupeye | 1,163.48 mi (1,872.43 km) |
| Silves to Overijse | 1,135.83 mi (1,827.95 km) |
| Silves to Overpelt | 1,183.42 mi (1,904.54 km) |
| Silves to Paal | 1,167.23 mi (1,878.48 km) |
| Silves to Peer | 1,180.06 mi (1,899.12 km) |
| Silves to Pepinster | 1,161.37 mi (1,869.05 km) |
| Silves to Peruwelz | 1,095.58 mi (1,763.17 km) |
| Silves to Perwez | 1,135.25 mi (1,827.00 km) |
| Silves to Philippeville | 1,105.36 mi (1,778.91 km) |
