| Harrow on the Hill to Coudekerque-Branche | 123.47 mi (198.71 km) |
| Harrow on the Hill to Coueron | 306.97 mi (494.01 km) |
| Harrow on the Hill to Coulommiers | 242.72 mi (390.61 km) |
| Harrow on the Hill to Courbevoic | 216.84 mi (348.98 km) |
| Harrow on the Hill to Courcouronnes | 237.23 mi (381.79 km) |
| Harrow on the Hill to Cournon-d'Auvergne | 433.28 mi (697.30 km) |
| Harrow on the Hill to Courrieres | 161.79 mi (260.38 km) |
| Harrow on the Hill to Coutras | 450.91 mi (725.67 km) |
| Harrow on the Hill to Couzeix | 399.55 mi (643.01 km) |
| Harrow on the Hill to Cran-Gevrier | 488.55 mi (786.24 km) |
| Harrow on the Hill to Craponne | 463.38 mi (745.74 km) |
| Harrow on the Hill to Creil | 201.92 mi (324.96 km) |
| Harrow on the Hill to Crepy-en-Valois | 214.56 mi (345.31 km) |
| Harrow on the Hill to Crest | 532.67 mi (857.25 km) |
| Harrow on the Hill to Creteil | 228.10 mi (367.09 km) |
