| Merzenich to Novi di Modena | 457.13 mi (735.68 km) |
| Merzenich to Novi Ligure | 432.05 mi (695.31 km) |
| Merzenich to Nuoro | 738.57 mi (1,188.61 km) |
| Merzenich to Occhiobello | 470.18 mi (756.68 km) |
| Merzenich to Oderzo | 443.22 mi (713.29 km) |
| Merzenich to Oggiono | 371.73 mi (598.25 km) |
| Merzenich to Olbia | 699.31 mi (1,125.43 km) |
| Merzenich to Oleggio | 373.85 mi (601.66 km) |
| Merzenich to Olgiate Comasco | 365.98 mi (588.98 km) |
| Merzenich to Olgiate Olona | 374.78 mi (603.15 km) |
| Merzenich to Omegna | 352.58 mi (567.42 km) |
| Merzenich to Opera | 395.95 mi (637.22 km) |
| Merzenich to Oppeano | 438.00 mi (704.89 km) |
| Merzenich to Orbassano | 404.75 mi (651.38 km) |
| Merzenich to Orbetello | 620.33 mi (998.33 km) |
