| Glencullen to Coudekerque-Branche | 395.13 mi (635.90 km) |
| Glencullen to Coueron | 459.93 mi (740.19 km) |
| Glencullen to Coulommiers | 505.41 mi (813.38 km) |
| Glencullen to Courbevoic | 473.34 mi (761.77 km) |
| Glencullen to Courcouronnes | 492.11 mi (791.97 km) |
| Glencullen to Cournon-d'Auvergne | 666.46 mi (1,072.57 km) |
| Glencullen to Courrieres | 434.90 mi (699.90 km) |
| Glencullen to Coutras | 628.21 mi (1,011.01 km) |
| Glencullen to Couzeix | 607.02 mi (976.90 km) |
| Glencullen to Cran-Gevrier | 746.84 mi (1,201.92 km) |
| Glencullen to Craponne | 711.25 mi (1,144.65 km) |
| Glencullen to Creil | 464.92 mi (748.22 km) |
| Glencullen to Crepy-en-Valois | 480.14 mi (772.72 km) |
| Glencullen to Crest | 775.50 mi (1,248.05 km) |
| Glencullen to Creteil | 485.36 mi (781.11 km) |
