| Highlands Ranch to Cocentaina | 5,228.13 mi (8,413.86 km) |
| Highlands Ranch to Coin | 5,134.39 mi (8,262.99 km) |
| Highlands Ranch to Colindres | 4,906.02 mi (7,895.48 km) |
| Highlands Ranch to Collado-Villalba | 4,998.49 mi (8,044.29 km) |
| Highlands Ranch to Colmenar Viejo | 5,007.51 mi (8,058.80 km) |
| Highlands Ranch to Colmenarejo | 5,001.17 mi (8,048.61 km) |
| Highlands Ranch to Conil de la Frontera | 5,092.69 mi (8,195.89 km) |
| Highlands Ranch to Consuegra | 5,064.75 mi (8,150.92 km) |
| Highlands Ranch to Corbera de Llobregat | 5,205.73 mi (8,377.81 km) |
| Highlands Ranch to Cordoba | 5,081.49 mi (8,177.87 km) |
| Highlands Ranch to Coria del Rio | 5,051.54 mi (8,129.67 km) |
| Highlands Ranch to Crevillente | 5,234.62 mi (8,424.30 km) |
| Highlands Ranch to Cuarte de Huerva | 5,084.73 mi (8,183.09 km) |
| Highlands Ranch to Cubellas | 5,204.75 mi (8,376.24 km) |
| Highlands Ranch to Cuellar | 4,953.74 mi (7,972.27 km) |
