| Siegen to Civita Castellana | 628.63 mi (1,011.68 km) |
| Siegen to Civitanova Marche | 588.51 mi (947.11 km) |
| Siegen to Civitavecchia | 632.77 mi (1,018.34 km) |
| Siegen to Civitella in Val di Chiana | 544.22 mi (875.84 km) |
| Siegen to Clusone | 356.64 mi (573.96 km) |
| Siegen to Coccaglio | 378.47 mi (609.08 km) |
| Siegen to Codigoro | 459.02 mi (738.72 km) |
| Siegen to Codogno | 403.04 mi (648.62 km) |
| Siegen to Codroipo | 408.90 mi (658.06 km) |
| Siegen to Cogoleto | 449.64 mi (723.62 km) |
| Siegen to Colle di Val d'Elsa | 537.26 mi (864.64 km) |
| Siegen to Colle Salvetti | 516.28 mi (830.87 km) |
| Siegen to Collecchio | 435.84 mi (701.41 km) |
| Siegen to Colleferro | 675.35 mi (1,086.86 km) |
| Siegen to Collegno | 401.67 mi (646.42 km) |
