| Nizza Monferrato to Olivenza | 899.10 mi (1,446.97 km) |
| Nizza Monferrato to Olot | 344.22 mi (553.97 km) |
| Nizza Monferrato to Onate | 549.12 mi (883.73 km) |
| Nizza Monferrato to Onda | 550.97 mi (886.70 km) |
| Nizza Monferrato to Onteniente | 617.58 mi (993.90 km) |
| Nizza Monferrato to Orihuela | 666.86 mi (1,073.20 km) |
| Nizza Monferrato to Osuna | 872.01 mi (1,403.37 km) |
| Nizza Monferrato to Ourense | 827.89 mi (1,332.36 km) |
| Nizza Monferrato to Oviedo | 710.77 mi (1,143.87 km) |
| Nizza Monferrato to Paiporta | 581.45 mi (935.75 km) |
| Nizza Monferrato to Pajara | 1,674.91 mi (2,695.51 km) |
| Nizza Monferrato to Palafolls | 354.35 mi (570.27 km) |
| Nizza Monferrato to Palafrugell | 327.04 mi (526.32 km) |
| Nizza Monferrato to Palamos | 331.53 mi (533.54 km) |
| Nizza Monferrato to Palencia | 673.69 mi (1,084.21 km) |
