| Siklos to Civita Castellana | 381.66 mi (614.22 km) |
| Siklos to Civitanova Marche | 285.53 mi (459.52 km) |
| Siklos to Civitavecchia | 414.02 mi (666.30 km) |
| Siklos to Civitella in Val di Chiana | 364.58 mi (586.73 km) |
| Siklos to Clusone | 401.48 mi (646.12 km) |
| Siklos to Coccaglio | 401.76 mi (646.57 km) |
| Siklos to Codigoro | 308.27 mi (496.10 km) |
| Siklos to Codogno | 418.66 mi (673.76 km) |
| Siklos to Codroipo | 255.81 mi (411.68 km) |
| Siklos to Cogoleto | 480.99 mi (774.09 km) |
| Siklos to Colle di Val d'Elsa | 390.76 mi (628.87 km) |
| Siklos to Colle Salvetti | 413.77 mi (665.90 km) |
| Siklos to Collecchio | 399.90 mi (643.57 km) |
| Siklos to Colleferro | 387.61 mi (623.80 km) |
| Siklos to Collegno | 522.12 mi (840.27 km) |
