| Diyadin to Cividale del Friuli | 1,587.48 mi (2,554.80 km) |
| Diyadin to Civita Castellana | 1,634.26 mi (2,630.08 km) |
| Diyadin to Civitanova Marche | 1,564.40 mi (2,517.65 km) |
| Diyadin to Civitavecchia | 1,666.41 mi (2,681.82 km) |
| Diyadin to Civitella in Val di Chiana | 1,665.50 mi (2,680.36 km) |
| Diyadin to Clusone | 1,753.23 mi (2,821.56 km) |
| Diyadin to Coccaglio | 1,751.10 mi (2,818.13 km) |
| Diyadin to Codigoro | 1,645.56 mi (2,648.27 km) |
| Diyadin to Codogno | 1,763.82 mi (2,838.59 km) |
| Diyadin to Codroipo | 1,608.29 mi (2,588.29 km) |
| Diyadin to Cogoleto | 1,816.27 mi (2,923.00 km) |
| Diyadin to Colle di Val d'Elsa | 1,694.80 mi (2,727.52 km) |
| Diyadin to Colle Salvetti | 1,726.83 mi (2,779.07 km) |
| Diyadin to Collecchio | 1,738.62 mi (2,798.04 km) |
| Diyadin to Colleferro | 1,606.17 mi (2,584.89 km) |
