| Ardahan to Cividale del Friuli | 1,495.23 mi (2,406.33 km) |
| Ardahan to Civita Castellana | 1,556.51 mi (2,504.96 km) |
| Ardahan to Civitanova Marche | 1,482.83 mi (2,386.39 km) |
| Ardahan to Civitavecchia | 1,589.26 mi (2,557.66 km) |
| Ardahan to Civitella in Val di Chiana | 1,583.18 mi (2,547.88 km) |
| Ardahan to Clusone | 1,662.08 mi (2,674.87 km) |
| Ardahan to Coccaglio | 1,661.01 mi (2,673.13 km) |
| Ardahan to Codigoro | 1,557.98 mi (2,507.32 km) |
| Ardahan to Codogno | 1,675.06 mi (2,695.75 km) |
| Ardahan to Codroipo | 1,516.59 mi (2,440.72 km) |
| Ardahan to Cogoleto | 1,730.02 mi (2,784.19 km) |
| Ardahan to Colle di Val d'Elsa | 1,612.45 mi (2,594.98 km) |
| Ardahan to Colle Salvetti | 1,643.62 mi (2,645.15 km) |
| Ardahan to Collecchio | 1,651.28 mi (2,657.49 km) |
| Ardahan to Colleferro | 1,530.95 mi (2,463.82 km) |
