| Siegburg to Civita Castellana | 637.20 mi (1,025.47 km) |
| Siegburg to Civitanova Marche | 602.03 mi (968.88 km) |
| Siegburg to Civitavecchia | 639.45 mi (1,029.10 km) |
| Siegburg to Civitella in Val di Chiana | 552.33 mi (888.89 km) |
| Siegburg to Clusone | 362.38 mi (583.20 km) |
| Siegburg to Coccaglio | 383.74 mi (617.58 km) |
| Siegburg to Codigoro | 470.90 mi (757.84 km) |
| Siegburg to Codogno | 406.51 mi (654.22 km) |
| Siegburg to Codroipo | 426.35 mi (686.14 km) |
| Siegburg to Cogoleto | 448.07 mi (721.09 km) |
| Siegburg to Colle di Val d'Elsa | 543.55 mi (874.75 km) |
| Siegburg to Colle Salvetti | 520.70 mi (837.98 km) |
| Siegburg to Collecchio | 440.79 mi (709.38 km) |
| Siegburg to Colleferro | 684.77 mi (1,102.03 km) |
| Siegburg to Collegno | 395.85 mi (637.06 km) |
