| Sulmona to Coudekerque-Branche | 825.88 mi (1,329.12 km) |
| Sulmona to Coueron | 846.25 mi (1,361.91 km) |
| Sulmona to Coulommiers | 702.35 mi (1,130.32 km) |
| Sulmona to Courbevoic | 736.03 mi (1,184.53 km) |
| Sulmona to Courcouronnes | 718.55 mi (1,156.39 km) |
| Sulmona to Cournon-d'Auvergne | 591.38 mi (951.74 km) |
| Sulmona to Courrieres | 781.18 mi (1,257.19 km) |
| Sulmona to Coutras | 732.56 mi (1,178.93 km) |
| Sulmona to Couzeix | 683.20 mi (1,099.51 km) |
| Sulmona to Cran-Gevrier | 471.07 mi (758.12 km) |
| Sulmona to Craponne | 524.13 mi (843.50 km) |
| Sulmona to Creil | 742.58 mi (1,195.06 km) |
| Sulmona to Crepy-en-Valois | 727.25 mi (1,170.40 km) |
| Sulmona to Crest | 483.58 mi (778.25 km) |
| Sulmona to Creteil | 723.99 mi (1,165.14 km) |
