| Chaudfontaine to Novi di Modena | 462.83 mi (744.86 km) |
| Chaudfontaine to Novi Ligure | 428.20 mi (689.12 km) |
| Chaudfontaine to Nuoro | 731.43 mi (1,177.12 km) |
| Chaudfontaine to Occhiobello | 478.59 mi (770.21 km) |
| Chaudfontaine to Oderzo | 457.85 mi (736.83 km) |
| Chaudfontaine to Oggiono | 373.12 mi (600.48 km) |
| Chaudfontaine to Olbia | 693.17 mi (1,115.56 km) |
| Chaudfontaine to Oleggio | 371.03 mi (597.11 km) |
| Chaudfontaine to Olgiate Comasco | 365.38 mi (588.02 km) |
| Chaudfontaine to Olgiate Olona | 373.34 mi (600.84 km) |
| Chaudfontaine to Omegna | 349.20 mi (561.98 km) |
| Chaudfontaine to Opera | 395.55 mi (636.57 km) |
| Chaudfontaine to Oppeano | 446.09 mi (717.91 km) |
| Chaudfontaine to Orbassano | 395.23 mi (636.06 km) |
| Chaudfontaine to Orbetello | 621.66 mi (1,000.46 km) |
