| Highlands Ranch to Civril | 6,341.77 mi (10,206.08 km) |
| Highlands Ranch to Cizre | 6,730.86 mi (10,832.27 km) |
| Highlands Ranch to Cobanlar | 6,349.24 mi (10,218.12 km) |
| Highlands Ranch to Corlu | 6,120.95 mi (9,850.71 km) |
| Highlands Ranch to Corum | 6,355.29 mi (10,227.86 km) |
| Highlands Ranch to Cukurca | 6,768.65 mi (10,893.08 km) |
| Highlands Ranch to Cukurcayir | 6,447.58 mi (10,376.38 km) |
| Highlands Ranch to Cumayeri | 6,227.46 mi (10,022.13 km) |
| Highlands Ranch to Cumra | 6,472.55 mi (10,416.56 km) |
| Highlands Ranch to Cungus | 6,606.88 mi (10,632.75 km) |
| Highlands Ranch to Dargecit | 6,706.73 mi (10,793.44 km) |
| Highlands Ranch to Davutlar | 6,300.01 mi (10,138.88 km) |
| Highlands Ranch to Demirozu | 6,500.96 mi (10,462.29 km) |
| Highlands Ranch to Demre | 6,467.88 mi (10,409.05 km) |
| Highlands Ranch to Denizciler | 6,623.14 mi (10,658.92 km) |
