| Siirt to Cividale del Friuli | 1,558.54 mi (2,508.22 km) |
| Siirt to Civita Castellana | 1,581.39 mi (2,545.01 km) |
| Siirt to Civitanova Marche | 1,517.74 mi (2,442.57 km) |
| Siirt to Civitavecchia | 1,612.47 mi (2,595.02 km) |
| Siirt to Civitella in Val di Chiana | 1,619.36 mi (2,606.10 km) |
| Siirt to Clusone | 1,721.29 mi (2,770.15 km) |
| Siirt to Coccaglio | 1,717.31 mi (2,763.74 km) |
| Siirt to Codigoro | 1,608.07 mi (2,587.93 km) |
| Siirt to Codogno | 1,727.62 mi (2,780.34 km) |
| Siirt to Codroipo | 1,578.20 mi (2,539.86 km) |
| Siirt to Cogoleto | 1,775.58 mi (2,857.52 km) |
| Siirt to Colle di Val d'Elsa | 1,648.54 mi (2,653.07 km) |
| Siirt to Colle Salvetti | 1,681.72 mi (2,706.47 km) |
| Siirt to Collecchio | 1,700.16 mi (2,736.14 km) |
| Siirt to Colleferro | 1,549.84 mi (2,494.23 km) |
