| Troisdorf to Corbetta | 378.39 mi (608.96 km) |
| Troisdorf to Corciano | 582.93 mi (938.14 km) |
| Troisdorf to Cordenons | 419.49 mi (675.11 km) |
| Troisdorf to Cori | 690.34 mi (1,110.99 km) |
| Troisdorf to Coriano | 537.06 mi (864.32 km) |
| Troisdorf to Corigliano Calabro | 897.38 mi (1,444.19 km) |
| Troisdorf to Corleone | 947.31 mi (1,524.55 km) |
| Troisdorf to Cormano | 375.42 mi (604.19 km) |
| Troisdorf to Cornaredo | 377.33 mi (607.26 km) |
| Troisdorf to Cornate d'Adda | 372.40 mi (599.33 km) |
| Troisdorf to Cornedo Vicentino | 407.69 mi (656.12 km) |
| Troisdorf to Correggio | 450.23 mi (724.57 km) |
| Troisdorf to Corridonia | 601.99 mi (968.81 km) |
| Troisdorf to Corsico | 382.72 mi (615.92 km) |
| Troisdorf to Cortona | 568.20 mi (914.43 km) |
