| Highland City to Collegno | 4,853.47 mi (7,810.90 km) |
| Highland City to Cologno al Serio | 4,937.68 mi (7,946.43 km) |
| Highland City to Cologno Monzese | 4,920.04 mi (7,918.03 km) |
| Highland City to Colorno | 4,985.16 mi (8,022.84 km) |
| Highland City to Comacchio | 5,072.80 mi (8,163.88 km) |
| Highland City to Comiso | 5,412.26 mi (8,710.19 km) |
| Highland City to Como | 4,904.39 mi (7,892.86 km) |
| Highland City to Concordia Sagittaria | 5,073.52 mi (8,165.04 km) |
| Highland City to Concorezzo | 4,921.11 mi (7,919.77 km) |
| Highland City to Conegliano | 5,045.79 mi (8,120.42 km) |
| Highland City to Conselice | 5,061.93 mi (8,146.40 km) |
| Highland City to Conselve | 5,044.15 mi (8,117.78 km) |
| Highland City to Conversano | 5,408.53 mi (8,704.18 km) |
| Highland City to Copertino | 5,474.22 mi (8,809.91 km) |
| Highland City to Copparo | 5,051.60 mi (8,129.77 km) |
