| Highlands Ranch to Cavdir | 6,406.65 mi (10,310.50 km) |
| Highlands Ranch to Cay | 6,362.67 mi (10,239.73 km) |
| Highlands Ranch to Caybasi | 6,380.27 mi (10,268.06 km) |
| Highlands Ranch to Caycuma | 6,226.16 mi (10,020.03 km) |
| Highlands Ranch to Cayeli | 6,462.81 mi (10,400.89 km) |
| Highlands Ranch to Cayiralan | 6,447.81 mi (10,376.75 km) |
| Highlands Ranch to Cayirhan | 6,293.20 mi (10,127.93 km) |
| Highlands Ranch to Cayirli | 6,526.53 mi (10,503.43 km) |
| Highlands Ranch to Cayirova | 6,185.38 mi (9,954.40 km) |
| Highlands Ranch to Caykara | 6,472.95 mi (10,417.20 km) |
| Highlands Ranch to Cekerek | 6,397.67 mi (10,296.05 km) |
| Highlands Ranch to Cekme | 6,167.61 mi (9,925.81 km) |
| Highlands Ranch to Celtik | 6,359.29 mi (10,234.29 km) |
| Highlands Ranch to Cerkes | 6,284.41 mi (10,113.77 km) |
| Highlands Ranch to Cerkezkoy | 6,119.23 mi (9,847.94 km) |
