| Romans-sur-Isere to Coudekerque-Branche | 430.92 mi (693.49 km) |
| Romans-sur-Isere to Coueron | 357.17 mi (574.80 km) |
| Romans-sur-Isere to Coulommiers | 276.46 mi (444.92 km) |
| Romans-sur-Isere to Courbevoic | 296.97 mi (477.92 km) |
| Romans-sur-Isere to Courcouronnes | 276.47 mi (444.94 km) |
| Romans-sur-Isere to Cournon-d'Auvergne | 102.01 mi (164.17 km) |
| Romans-sur-Isere to Courrieres | 386.44 mi (621.91 km) |
| Romans-sur-Isere to Coutras | 252.87 mi (406.95 km) |
| Romans-sur-Isere to Couzeix | 193.45 mi (311.33 km) |
| Romans-sur-Isere to Cran-Gevrier | 78.14 mi (125.76 km) |
| Romans-sur-Isere to Craponne | 50.85 mi (81.83 km) |
| Romans-sur-Isere to Creil | 315.00 mi (506.94 km) |
| Romans-sur-Isere to Crepy-en-Valois | 306.68 mi (493.56 km) |
| Romans-sur-Isere to Crest | 22.03 mi (35.45 km) |
| Romans-sur-Isere to Creteil | 286.09 mi (460.41 km) |
