| Halden to Collegno | 984.35 mi (1,584.16 km) |
| Halden to Cologno al Serio | 938.67 mi (1,510.65 km) |
| Halden to Cologno Monzese | 943.99 mi (1,519.20 km) |
| Halden to Colorno | 981.73 mi (1,579.94 km) |
| Halden to Comacchio | 997.20 mi (1,604.84 km) |
| Halden to Comiso | 1,538.59 mi (2,476.12 km) |
| Halden to Como | 925.42 mi (1,489.31 km) |
| Halden to Concordia Sagittaria | 924.81 mi (1,488.34 km) |
| Halden to Concorezzo | 939.55 mi (1,512.06 km) |
| Halden to Conegliano | 915.39 mi (1,473.18 km) |
| Halden to Conselice | 1,009.54 mi (1,624.70 km) |
| Halden to Conselve | 960.05 mi (1,545.06 km) |
| Halden to Conversano | 1,278.27 mi (2,057.18 km) |
| Halden to Copertino | 1,334.19 mi (2,147.16 km) |
| Halden to Copparo | 983.06 mi (1,582.08 km) |
