| Troisdorf to Cognac | 493.20 mi (793.73 km) |
| Troisdorf to Cogolin | 523.42 mi (842.36 km) |
| Troisdorf to Colmar | 189.14 mi (304.39 km) |
| Troisdorf to Colombes | 254.44 mi (409.48 km) |
| Troisdorf to Colomiers | 567.21 mi (912.84 km) |
| Troisdorf to Combs-la-Ville | 253.08 mi (407.30 km) |
| Troisdorf to Comines | 181.19 mi (291.60 km) |
| Troisdorf to Compiegne | 214.94 mi (345.91 km) |
| Troisdorf to Concarneau | 537.65 mi (865.27 km) |
| Troisdorf to Conde-sur-l'Escaut | 158.26 mi (254.70 km) |
| Troisdorf to Conflans-Sainte-Honorine | 257.60 mi (414.57 km) |
| Troisdorf to Corbas | 370.45 mi (596.19 km) |
| Troisdorf to Corbeil-Essonnes | 258.27 mi (415.65 km) |
| Troisdorf to Cormeilles-en-Parisis | 254.53 mi (409.63 km) |
| Troisdorf to Cosne sur Loire | 303.18 mi (487.93 km) |
