| Romans-sur-Isere to Cognac | 264.96 mi (426.40 km) |
| Romans-sur-Isere to Cogolin | 143.99 mi (231.72 km) |
| Romans-sur-Isere to Colmar | 236.53 mi (380.66 km) |
| Romans-sur-Isere to Colombes | 298.57 mi (480.50 km) |
| Romans-sur-Isere to Colomiers | 208.56 mi (335.64 km) |
| Romans-sur-Isere to Combs-la-Ville | 276.62 mi (445.18 km) |
| Romans-sur-Isere to Comines | 405.99 mi (653.39 km) |
| Romans-sur-Isere to Compiegne | 319.39 mi (514.01 km) |
| Romans-sur-Isere to Concarneau | 469.19 mi (755.09 km) |
| Romans-sur-Isere to Conde-sur-l'Escaut | 379.40 mi (610.58 km) |
| Romans-sur-Isere to Conflans-Sainte-Honorine | 306.44 mi (493.17 km) |
| Romans-sur-Isere to Corbas | 43.57 mi (70.11 km) |
| Romans-sur-Isere to Corbeil-Essonnes | 274.76 mi (442.18 km) |
| Romans-sur-Isere to Cormeilles-en-Parisis | 302.72 mi (487.18 km) |
| Romans-sur-Isere to Cosne sur Loire | 192.36 mi (309.58 km) |
