| Nizza Monferrato to Opwijk | 469.30 mi (755.26 km) |
| Nizza Monferrato to Ostend | 511.36 mi (822.95 km) |
| Nizza Monferrato to Oud-Heverlee | 452.10 mi (727.59 km) |
| Nizza Monferrato to Oud-Turnhout | 477.95 mi (769.19 km) |
| Nizza Monferrato to Oudenaarde | 473.97 mi (762.79 km) |
| Nizza Monferrato to Oudenburg | 507.03 mi (815.99 km) |
| Nizza Monferrato to Oupeye | 428.82 mi (690.12 km) |
| Nizza Monferrato to Overijse | 451.33 mi (726.34 km) |
| Nizza Monferrato to Overpelt | 465.27 mi (748.78 km) |
| Nizza Monferrato to Paal | 457.13 mi (735.67 km) |
| Nizza Monferrato to Peer | 459.26 mi (739.11 km) |
| Nizza Monferrato to Pepinster | 417.18 mi (671.39 km) |
| Nizza Monferrato to Peruwelz | 454.45 mi (731.37 km) |
| Nizza Monferrato to Perwez | 436.26 mi (702.10 km) |
| Nizza Monferrato to Philippeville | 414.68 mi (667.37 km) |
