| Horizon City to Cortona | 5,951.24 mi (9,577.60 km) |
| Horizon City to Cosenza | 6,300.02 mi (10,138.90 km) |
| Horizon City to Cossato | 5,705.08 mi (9,181.44 km) |
| Horizon City to Costa Volpino | 5,765.83 mi (9,279.20 km) |
| Horizon City to Creazzo | 5,830.07 mi (9,382.59 km) |
| Horizon City to Crema | 5,770.84 mi (9,287.27 km) |
| Horizon City to Cremona | 5,794.24 mi (9,324.93 km) |
| Horizon City to Crevalcore | 5,854.54 mi (9,421.97 km) |
| Horizon City to Crispiano | 6,274.37 mi (10,097.62 km) |
| Horizon City to Crosia | 6,306.91 mi (10,149.99 km) |
| Horizon City to Crotone | 6,343.67 mi (10,209.15 km) |
| Horizon City to Cuneo | 5,732.29 mi (9,225.23 km) |
| Horizon City to Cuorgne | 5,693.06 mi (9,162.09 km) |
| Horizon City to Cusano Milanino | 5,744.08 mi (9,244.20 km) |
| Horizon City to Cutro | 6,340.99 mi (10,204.84 km) |
