| Roura to Opwijk | 4,544.52 mi (7,313.69 km) |
| Roura to Ostend | 4,502.32 mi (7,245.79 km) |
| Roura to Oud-Heverlee | 4,560.00 mi (7,338.61 km) |
| Roura to Oud-Turnhout | 4,586.04 mi (7,380.51 km) |
| Roura to Oudenaarde | 4,518.05 mi (7,271.10 km) |
| Roura to Oudenburg | 4,504.21 mi (7,248.82 km) |
| Roura to Oupeye | 4,595.74 mi (7,396.13 km) |
| Roura to Overijse | 4,553.27 mi (7,327.78 km) |
| Roura to Overpelt | 4,600.46 mi (7,403.73 km) |
| Roura to Paal | 4,585.89 mi (7,380.27 km) |
| Roura to Peer | 4,599.64 mi (7,402.40 km) |
| Roura to Pepinster | 4,598.97 mi (7,401.32 km) |
| Roura to Peruwelz | 4,507.76 mi (7,254.54 km) |
| Roura to Perwez | 4,560.13 mi (7,338.81 km) |
| Roura to Philippeville | 4,537.69 mi (7,302.71 km) |
