| Horizon City to Castrovillari | 6,273.28 mi (10,095.86 km) |
| Horizon City to Catania | 6,340.53 mi (10,204.10 km) |
| Horizon City to Catanzaro | 6,332.74 mi (10,191.56 km) |
| Horizon City to Cattolica | 5,947.54 mi (9,571.64 km) |
| Horizon City to Cava de' Tirreni | 6,173.91 mi (9,935.95 km) |
| Horizon City to Cavallino | 6,324.13 mi (10,177.70 km) |
| Horizon City to Cavarzere | 5,869.97 mi (9,446.80 km) |
| Horizon City to Cave | 6,054.13 mi (9,743.19 km) |
| Horizon City to Cavriago | 5,832.23 mi (9,386.06 km) |
| Horizon City to Cavriglia | 5,921.19 mi (9,529.24 km) |
| Horizon City to Cazzago San Martino | 5,774.12 mi (9,292.55 km) |
| Horizon City to Ceccano | 6,081.03 mi (9,786.47 km) |
| Horizon City to Cecina | 5,893.35 mi (9,484.43 km) |
| Horizon City to Cefalu | 6,272.52 mi (10,094.64 km) |
| Horizon City to Ceglie Messapico | 6,281.85 mi (10,109.67 km) |
