| Omegna to Noventa Vicentina | 156.66 mi (252.12 km) |
| Omegna to Novi di Modena | 138.83 mi (223.43 km) |
| Omegna to Novi Ligure | 79.47 mi (127.89 km) |
| Omegna to Nuoro | 387.08 mi (622.94 km) |
| Omegna to Occhiobello | 167.56 mi (269.67 km) |
| Omegna to Oderzo | 196.80 mi (316.73 km) |
| Omegna to Oggiono | 45.87 mi (73.83 km) |
| Omegna to Olbia | 347.15 mi (558.69 km) |
| Omegna to Oleggio | 22.10 mi (35.57 km) |
| Omegna to Olgiate Comasco | 27.73 mi (44.63 km) |
| Omegna to Olgiate Olona | 28.52 mi (45.90 km) |
| Omegna to Opera | 51.96 mi (83.62 km) |
| Omegna to Oppeano | 140.05 mi (225.39 km) |
| Omegna to Orbassano | 73.48 mi (118.25 km) |
| Omegna to Orbetello | 275.26 mi (442.98 km) |
