| Otelu Rosu to Opwijk | 913.74 mi (1,470.52 km) |
| Otelu Rosu to Ostend | 971.42 mi (1,563.34 km) |
| Otelu Rosu to Oud-Heverlee | 890.89 mi (1,433.74 km) |
| Otelu Rosu to Oud-Turnhout | 888.59 mi (1,430.05 km) |
| Otelu Rosu to Oudenaarde | 935.80 mi (1,506.03 km) |
| Otelu Rosu to Oudenburg | 967.24 mi (1,556.63 km) |
| Otelu Rosu to Oupeye | 847.64 mi (1,364.15 km) |
| Otelu Rosu to Overijse | 895.42 mi (1,441.05 km) |
| Otelu Rosu to Overpelt | 868.62 mi (1,397.91 km) |
| Otelu Rosu to Paal | 874.43 mi (1,407.26 km) |
| Otelu Rosu to Peer | 865.12 mi (1,392.28 km) |
| Otelu Rosu to Pepinster | 837.34 mi (1,347.56 km) |
| Otelu Rosu to Peruwelz | 930.47 mi (1,497.45 km) |
| Otelu Rosu to Perwez | 880.43 mi (1,416.91 km) |
| Otelu Rosu to Philippeville | 883.73 mi (1,422.22 km) |
