| Highlands Ranch to Corato | 5,755.57 mi (9,262.69 km) |
| Highlands Ranch to Corbetta | 5,280.04 mi (8,497.40 km) |
| Highlands Ranch to Corciano | 5,511.73 mi (8,870.28 km) |
| Highlands Ranch to Cordenons | 5,384.92 mi (8,666.20 km) |
| Highlands Ranch to Cori | 5,608.14 mi (9,025.43 km) |
| Highlands Ranch to Coriano | 5,481.43 mi (8,821.52 km) |
| Highlands Ranch to Corigliano Calabro | 5,839.92 mi (9,398.45 km) |
| Highlands Ranch to Corleone | 5,814.66 mi (9,357.79 km) |
| Highlands Ranch to Cormano | 5,284.84 mi (8,505.13 km) |
| Highlands Ranch to Cornaredo | 5,282.55 mi (8,501.44 km) |
| Highlands Ranch to Cornate d'Adda | 5,290.55 mi (8,514.32 km) |
| Highlands Ranch to Cornedo Vicentino | 5,357.21 mi (8,621.59 km) |
| Highlands Ranch to Correggio | 5,378.83 mi (8,656.39 km) |
| Highlands Ranch to Corridonia | 5,548.92 mi (8,930.12 km) |
| Highlands Ranch to Corsico | 5,288.65 mi (8,511.27 km) |
