| Clermont to Novi di Modena | 504.68 mi (812.21 km) |
| Clermont to Novi Ligure | 437.68 mi (704.39 km) |
| Clermont to Nuoro | 711.31 mi (1,144.74 km) |
| Clermont to Occhiobello | 528.98 mi (851.32 km) |
| Clermont to Oderzo | 530.93 mi (854.46 km) |
| Clermont to Oggiono | 407.47 mi (655.77 km) |
| Clermont to Olbia | 678.37 mi (1,091.73 km) |
| Clermont to Oleggio | 390.31 mi (628.14 km) |
| Clermont to Olgiate Comasco | 393.49 mi (633.26 km) |
| Clermont to Olgiate Olona | 397.47 mi (639.67 km) |
| Clermont to Omegna | 369.14 mi (594.08 km) |
| Clermont to Opera | 421.07 mi (677.64 km) |
| Clermont to Oppeano | 497.56 mi (800.75 km) |
| Clermont to Orbassano | 385.97 mi (621.16 km) |
| Clermont to Orbetello | 638.57 mi (1,027.68 km) |
