| Horizon City to Collegno | 5,703.45 mi (9,178.82 km) |
| Horizon City to Cologno al Serio | 5,761.92 mi (9,272.92 km) |
| Horizon City to Cologno Monzese | 5,748.57 mi (9,251.43 km) |
| Horizon City to Colorno | 5,816.21 mi (9,360.29 km) |
| Horizon City to Comacchio | 5,893.61 mi (9,484.85 km) |
| Horizon City to Comiso | 6,346.85 mi (10,214.26 km) |
| Horizon City to Como | 5,729.07 mi (9,220.05 km) |
| Horizon City to Concordia Sagittaria | 5,869.09 mi (9,445.39 km) |
| Horizon City to Concorezzo | 5,748.05 mi (9,250.59 km) |
| Horizon City to Conegliano | 5,843.66 mi (9,404.46 km) |
| Horizon City to Conselice | 5,889.00 mi (9,477.42 km) |
| Horizon City to Conselve | 5,857.70 mi (9,427.06 km) |
| Horizon City to Conversano | 6,252.21 mi (10,061.96 km) |
| Horizon City to Copertino | 6,321.02 mi (10,172.70 km) |
| Horizon City to Copparo | 5,871.60 mi (9,449.42 km) |
