| Isola del Liri to Opwijk | 781.26 mi (1,257.32 km) |
| Isola del Liri to Ostend | 830.22 mi (1,336.12 km) |
| Isola del Liri to Oud-Heverlee | 761.06 mi (1,224.81 km) |
| Isola del Liri to Oud-Turnhout | 780.01 mi (1,255.31 km) |
| Isola del Liri to Oudenaarde | 791.22 mi (1,273.35 km) |
| Isola del Liri to Oudenburg | 825.71 mi (1,328.86 km) |
| Isola del Liri to Oupeye | 729.12 mi (1,173.41 km) |
| Isola del Liri to Overijse | 761.87 mi (1,226.11 km) |
| Isola del Liri to Overpelt | 763.78 mi (1,229.18 km) |
| Isola del Liri to Paal | 759.58 mi (1,222.43 km) |
| Isola del Liri to Peer | 758.06 mi (1,219.99 km) |
| Isola del Liri to Pepinster | 716.76 mi (1,153.51 km) |
| Isola del Liri to Peruwelz | 774.38 mi (1,246.25 km) |
| Isola del Liri to Perwez | 745.63 mi (1,199.98 km) |
| Isola del Liri to Philippeville | 729.99 mi (1,174.80 km) |
