| Highlands Ranch to Castrovillari | 5,817.56 mi (9,362.45 km) |
| Highlands Ranch to Catania | 5,897.00 mi (9,490.30 km) |
| Highlands Ranch to Catanzaro | 5,879.20 mi (9,461.65 km) |
| Highlands Ranch to Cattolica | 5,486.04 mi (8,828.93 km) |
| Highlands Ranch to Cava de' Tirreni | 5,719.28 mi (9,204.29 km) |
| Highlands Ranch to Cavallino | 5,860.82 mi (9,432.08 km) |
| Highlands Ranch to Cavarzere | 5,405.75 mi (8,699.71 km) |
| Highlands Ranch to Cave | 5,600.26 mi (9,012.74 km) |
| Highlands Ranch to Cavriago | 5,373.55 mi (8,647.90 km) |
| Highlands Ranch to Cavriglia | 5,464.67 mi (8,794.54 km) |
| Highlands Ranch to Cazzago San Martino | 5,313.27 mi (8,550.89 km) |
| Highlands Ranch to Ceccano | 5,626.99 mi (9,055.77 km) |
| Highlands Ranch to Cecina | 5,440.18 mi (8,755.12 km) |
| Highlands Ranch to Cefalu | 5,830.26 mi (9,382.90 km) |
| Highlands Ranch to Ceglie Messapico | 5,819.39 mi (9,365.41 km) |
