| Highland to Collegno | 5,965.12 mi (9,599.93 km) |
| Highland to Cologno al Serio | 6,008.77 mi (9,670.18 km) |
| Highland to Cologno Monzese | 5,998.02 mi (9,652.88 km) |
| Highland to Colorno | 6,064.44 mi (9,759.78 km) |
| Highland to Comacchio | 6,133.94 mi (9,871.62 km) |
| Highland to Comiso | 6,629.31 mi (10,668.84 km) |
| Highland to Como | 5,977.34 mi (9,619.60 km) |
| Highland to Concordia Sagittaria | 6,097.83 mi (9,813.50 km) |
| Highland to Concorezzo | 5,996.73 mi (9,650.81 km) |
| Highland to Conegliano | 6,074.48 mi (9,775.93 km) |
| Highland to Conselice | 6,132.60 mi (9,869.46 km) |
| Highland to Conselve | 6,095.75 mi (9,810.16 km) |
| Highland to Conversano | 6,491.04 mi (10,446.32 km) |
| Highland to Copertino | 6,558.97 mi (10,555.64 km) |
| Highland to Copparo | 6,112.33 mi (9,836.84 km) |
