| Sulmona to Cognac | 752.19 mi (1,210.53 km) |
| Sulmona to Cogolin | 384.82 mi (619.32 km) |
| Sulmona to Colmar | 525.52 mi (845.75 km) |
| Sulmona to Colombes | 737.10 mi (1,186.26 km) |
| Sulmona to Colomiers | 646.37 mi (1,040.23 km) |
| Sulmona to Combs-la-Ville | 715.51 mi (1,151.50 km) |
| Sulmona to Comines | 793.95 mi (1,277.73 km) |
| Sulmona to Compiegne | 737.38 mi (1,186.70 km) |
| Sulmona to Concarneau | 957.88 mi (1,541.57 km) |
| Sulmona to Conde-sur-l'Escaut | 760.66 mi (1,224.16 km) |
| Sulmona to Conflans-Sainte-Honorine | 745.82 mi (1,200.28 km) |
| Sulmona to Corbas | 514.05 mi (827.28 km) |
| Sulmona to Corbeil-Essonnes | 716.18 mi (1,152.58 km) |
| Sulmona to Cormeilles-en-Parisis | 741.01 mi (1,192.53 km) |
| Sulmona to Cosne sur Loire | 653.91 mi (1,052.37 km) |
