| Troisdorf to Cabestany | 596.19 mi (959.47 km) |
| Troisdorf to Cabries | 516.31 mi (830.93 km) |
| Troisdorf to Cachan | 256.49 mi (412.79 km) |
| Troisdorf to Caen | 352.65 mi (567.54 km) |
| Troisdorf to Cagnes-sur-Mer | 494.13 mi (795.23 km) |
| Troisdorf to Cahors | 513.87 mi (827.00 km) |
| Troisdorf to Calais | 231.13 mi (371.97 km) |
| Troisdorf to Caluire-et-Cuire | 362.71 mi (583.73 km) |
| Troisdorf to Cambrai | 177.84 mi (286.21 km) |
| Troisdorf to Canet-en-Roussillon | 593.54 mi (955.21 km) |
| Troisdorf to Cannes | 501.99 mi (807.88 km) |
| Troisdorf to Canteleu | 286.86 mi (461.66 km) |
| Troisdorf to Capbreton | 637.92 mi (1,026.63 km) |
| Troisdorf to Carcassonne | 571.91 mi (920.40 km) |
| Troisdorf to Carmaux | 522.35 mi (840.64 km) |
