| Horizon City to Chivasso | 5,710.63 mi (9,190.36 km) |
| Horizon City to Ciampino | 6,042.11 mi (9,723.84 km) |
| Horizon City to Cicciano | 6,154.97 mi (9,905.46 km) |
| Horizon City to Cingoli | 5,993.21 mi (9,645.13 km) |
| Horizon City to Cinisello Balsamo | 5,745.33 mi (9,246.21 km) |
| Horizon City to Cinisi | 6,229.48 mi (10,025.38 km) |
| Horizon City to Cirie | 5,697.77 mi (9,169.68 km) |
| Horizon City to Ciro Marina | 6,330.20 mi (10,187.48 km) |
| Horizon City to Cislago | 5,731.59 mi (9,224.11 km) |
| Horizon City to Cisterna di Latina | 6,060.52 mi (9,753.47 km) |
| Horizon City to Cisternino | 6,275.32 mi (10,099.15 km) |
| Horizon City to Citta di Castello | 5,952.44 mi (9,579.53 km) |
| Horizon City to Citta Sant'Angelo | 6,063.91 mi (9,758.93 km) |
| Horizon City to Cittadella | 5,835.76 mi (9,391.75 km) |
| Horizon City to Cittanova | 6,339.18 mi (10,201.92 km) |
