| Tremelo to Novi di Modena | 509.27 mi (819.58 km) |
| Tremelo to Novi Ligure | 470.11 mi (756.57 km) |
| Tremelo to Nuoro | 770.27 mi (1,239.63 km) |
| Tremelo to Occhiobello | 525.93 mi (846.41 km) |
| Tremelo to Oderzo | 506.74 mi (815.51 km) |
| Tremelo to Oggiono | 418.03 mi (672.75 km) |
| Tremelo to Olbia | 732.80 mi (1,179.32 km) |
| Tremelo to Oleggio | 413.81 mi (665.97 km) |
| Tremelo to Olgiate Comasco | 409.37 mi (658.82 km) |
| Tremelo to Olgiate Olona | 416.87 mi (670.88 km) |
| Tremelo to Omegna | 391.81 mi (630.55 km) |
| Tremelo to Opera | 439.49 mi (707.30 km) |
| Tremelo to Oppeano | 493.39 mi (794.04 km) |
| Tremelo to Orbassano | 433.60 mi (697.81 km) |
| Tremelo to Orbetello | 665.84 mi (1,071.57 km) |
