| Overpelt to Novi di Modena | 504.68 mi (812.20 km) |
| Overpelt to Novi Ligure | 472.45 mi (760.34 km) |
| Overpelt to Nuoro | 776.12 mi (1,249.05 km) |
| Overpelt to Occhiobello | 519.38 mi (835.87 km) |
| Overpelt to Oderzo | 495.55 mi (797.50 km) |
| Overpelt to Oggiono | 416.22 mi (669.84 km) |
| Overpelt to Olbia | 737.79 mi (1,187.36 km) |
| Overpelt to Oleggio | 415.07 mi (667.99 km) |
| Overpelt to Olgiate Comasco | 408.96 mi (658.16 km) |
| Overpelt to Olgiate Olona | 417.12 mi (671.28 km) |
| Overpelt to Omegna | 393.32 mi (632.98 km) |
| Overpelt to Opera | 439.12 mi (706.69 km) |
| Overpelt to Oppeano | 486.99 mi (783.73 km) |
| Overpelt to Orbassano | 439.98 mi (708.09 km) |
| Overpelt to Orbetello | 664.96 mi (1,070.15 km) |
