| Romans-sur-Isere to Novi di Modena | 286.06 mi (460.37 km) |
| Romans-sur-Isere to Novi Ligure | 183.79 mi (295.78 km) |
| Romans-sur-Isere to Nuoro | 392.40 mi (631.51 km) |
| Romans-sur-Isere to Occhiobello | 319.13 mi (513.58 km) |
| Romans-sur-Isere to Oderzo | 364.32 mi (586.32 km) |
| Romans-sur-Isere to Oggiono | 214.57 mi (345.32 km) |
| Romans-sur-Isere to Olbia | 363.15 mi (584.44 km) |
| Romans-sur-Isere to Oleggio | 178.13 mi (286.68 km) |
| Romans-sur-Isere to Olgiate Comasco | 196.57 mi (316.34 km) |
| Romans-sur-Isere to Olgiate Olona | 190.43 mi (306.47 km) |
| Romans-sur-Isere to Omegna | 172.43 mi (277.51 km) |
| Romans-sur-Isere to Opera | 204.03 mi (328.36 km) |
| Romans-sur-Isere to Oppeano | 299.10 mi (481.36 km) |
| Romans-sur-Isere to Orbassano | 121.39 mi (195.35 km) |
| Romans-sur-Isere to Orbetello | 356.25 mi (573.33 km) |
