| Troisdorf to Carpentras | 477.30 mi (768.14 km) |
| Troisdorf to Carquefou | 460.49 mi (741.09 km) |
| Troisdorf to Carqueiranne | 535.89 mi (862.44 km) |
| Troisdorf to Carrieres-sous-Poissy | 261.76 mi (421.26 km) |
| Troisdorf to Carrieres-sur-Seine | 253.52 mi (408.00 km) |
| Troisdorf to Carros | 486.67 mi (783.22 km) |
| Troisdorf to Carvin | 185.19 mi (298.04 km) |
| Troisdorf to Castanet-Tolosan | 569.74 mi (916.91 km) |
| Troisdorf to Castelginest | 560.14 mi (901.46 km) |
| Troisdorf to Castelnau-le-Lez | 518.86 mi (835.03 km) |
| Troisdorf to Castelnaudary | 572.64 mi (921.57 km) |
| Troisdorf to Castelsarrasin | 546.51 mi (879.52 km) |
| Troisdorf to Castres | 548.88 mi (883.34 km) |
| Troisdorf to Caudebec-les-Elbeuf | 292.00 mi (469.93 km) |
| Troisdorf to Caudry | 171.40 mi (275.85 km) |