| Highlands Ranch to Cadiz | 5,071.97 mi (8,162.54 km) |
| Highlands Ranch to Calafell | 5,201.04 mi (8,370.26 km) |
| Highlands Ranch to Calahorra | 5,011.69 mi (8,065.53 km) |
| Highlands Ranch to Calasparra | 5,197.98 mi (8,365.35 km) |
| Highlands Ranch to Calatayud | 5,065.79 mi (8,152.60 km) |
| Highlands Ranch to Caldas de Montbuy | 5,205.38 mi (8,377.25 km) |
| Highlands Ranch to Caldas de Reyes | 4,725.05 mi (7,604.24 km) |
| Highlands Ranch to Calella | 5,225.60 mi (8,409.78 km) |
| Highlands Ranch to Callosa de Segura | 5,237.19 mi (8,428.45 km) |
| Highlands Ranch to Calpe | 5,252.65 mi (8,453.32 km) |
| Highlands Ranch to Calvia | 5,311.92 mi (8,548.70 km) |
| Highlands Ranch to Camas | 5,047.31 mi (8,122.87 km) |
| Highlands Ranch to Cambados | 4,722.28 mi (7,599.78 km) |
| Highlands Ranch to Cambre | 4,711.21 mi (7,581.96 km) |
| Highlands Ranch to Cambrils | 5,186.53 mi (8,346.91 km) |
