| Siegburg to Corbetta | 376.93 mi (606.60 km) |
| Siegburg to Corciano | 581.08 mi (935.15 km) |
| Siegburg to Cordenons | 417.36 mi (671.67 km) |
| Siegburg to Cori | 688.50 mi (1,108.04 km) |
| Siegburg to Coriano | 535.11 mi (861.18 km) |
| Siegburg to Corigliano Calabro | 895.35 mi (1,440.92 km) |
| Siegburg to Corleone | 945.61 mi (1,521.81 km) |
| Siegburg to Cormano | 373.89 mi (601.73 km) |
| Siegburg to Cornaredo | 375.84 mi (604.85 km) |
| Siegburg to Cornate d'Adda | 370.80 mi (596.74 km) |
| Siegburg to Cornedo Vicentino | 405.75 mi (653.00 km) |
| Siegburg to Correggio | 448.45 mi (721.72 km) |
| Siegburg to Corridonia | 600.00 mi (965.60 km) |
| Siegburg to Corsico | 381.21 mi (613.50 km) |
| Siegburg to Cortona | 566.37 mi (911.49 km) |
