| Ros Comain to Opwijk | 553.18 mi (890.26 km) |
| Ros Comain to Ostend | 495.81 mi (797.93 km) |
| Ros Comain to Oud-Heverlee | 576.17 mi (927.26 km) |
| Ros Comain to Oud-Turnhout | 575.82 mi (926.69 km) |
| Ros Comain to Oudenaarde | 533.55 mi (858.66 km) |
| Ros Comain to Oudenburg | 500.19 mi (804.98 km) |
| Ros Comain to Oupeye | 618.58 mi (995.51 km) |
| Ros Comain to Overijse | 572.34 mi (921.09 km) |
| Ros Comain to Overpelt | 595.78 mi (958.82 km) |
| Ros Comain to Paal | 590.63 mi (950.52 km) |
| Ros Comain to Peer | 599.42 mi (964.67 km) |
| Ros Comain to Pepinster | 629.58 mi (1,013.21 km) |
| Ros Comain to Peruwelz | 543.27 mi (874.32 km) |
| Ros Comain to Perwez | 588.19 mi (946.60 km) |
| Ros Comain to Philippeville | 591.17 mi (951.39 km) |
