| Halden to Cividale del Friuli | 903.65 mi (1,454.29 km) |
| Halden to Civita Castellana | 1,163.54 mi (1,872.54 km) |
| Halden to Civitanova Marche | 1,097.67 mi (1,766.53 km) |
| Halden to Civitavecchia | 1,176.49 mi (1,893.38 km) |
| Halden to Civitella in Val di Chiana | 1,085.48 mi (1,746.91 km) |
| Halden to Clusone | 917.22 mi (1,476.12 km) |
| Halden to Coccaglio | 939.21 mi (1,511.51 km) |
| Halden to Codigoro | 987.91 mi (1,589.89 km) |
| Halden to Codogno | 967.84 mi (1,557.58 km) |
| Halden to Codroipo | 911.65 mi (1,467.16 km) |
| Halden to Cogoleto | 1,025.20 mi (1,649.90 km) |
| Halden to Colle di Val d'Elsa | 1,086.69 mi (1,748.86 km) |
| Halden to Colle Salvetti | 1,073.61 mi (1,727.80 km) |
| Halden to Collecchio | 994.73 mi (1,600.86 km) |
| Halden to Colleferro | 1,203.56 mi (1,936.95 km) |
