| Valley to Cividale del Friuli | 4,999.20 mi (8,045.43 km) |
| Valley to Civita Castellana | 5,084.57 mi (8,182.82 km) |
| Valley to Civitanova Marche | 5,108.04 mi (8,220.60 km) |
| Valley to Civitavecchia | 5,064.10 mi (8,149.88 km) |
| Valley to Civitella in Val di Chiana | 5,015.99 mi (8,072.46 km) |
| Valley to Clusone | 4,859.04 mi (7,819.87 km) |
| Valley to Coccaglio | 4,870.39 mi (7,838.14 km) |
| Valley to Codigoro | 4,985.99 mi (8,024.17 km) |
| Valley to Codogno | 4,871.41 mi (7,839.78 km) |
| Valley to Codroipo | 4,984.81 mi (8,022.28 km) |
| Valley to Cogoleto | 4,849.48 mi (7,804.49 km) |
| Valley to Colle di Val d'Elsa | 4,990.90 mi (8,032.08 km) |
| Valley to Colle Salvetti | 4,955.68 mi (7,975.39 km) |
| Valley to Collecchio | 4,906.70 mi (7,896.56 km) |
| Valley to Colleferro | 5,130.97 mi (8,257.50 km) |
