| Siegburg to Carpentras | 476.78 mi (767.31 km) |
| Siegburg to Carquefou | 461.88 mi (743.33 km) |
| Siegburg to Carqueiranne | 535.11 mi (861.17 km) |
| Siegburg to Carrieres-sous-Poissy | 263.19 mi (423.56 km) |
| Siegburg to Carrieres-sur-Seine | 254.89 mi (410.20 km) |
| Siegburg to Carros | 485.65 mi (781.58 km) |
| Siegburg to Carvin | 187.23 mi (301.31 km) |
| Siegburg to Castanet-Tolosan | 569.93 mi (917.21 km) |
| Siegburg to Castelginest | 560.36 mi (901.81 km) |
| Siegburg to Castelnau-le-Lez | 518.57 mi (834.56 km) |
| Siegburg to Castelnaudary | 572.71 mi (921.69 km) |
| Siegburg to Castelsarrasin | 546.84 mi (880.05 km) |
| Siegburg to Castres | 548.93 mi (883.42 km) |
| Siegburg to Caudebec-les-Elbeuf | 293.69 mi (472.66 km) |
| Siegburg to Caudry | 173.21 mi (278.76 km) |
