| Highlands Ranch to Busto Arsizio | 5,270.85 mi (8,482.62 km) |
| Highlands Ranch to Busto Garolfo | 5,275.13 mi (8,489.50 km) |
| Highlands Ranch to Cabras | 5,530.75 mi (8,900.88 km) |
| Highlands Ranch to Cadelbosco di Sopra | 5,372.65 mi (8,646.44 km) |
| Highlands Ranch to Cadoneghe | 5,385.29 mi (8,666.78 km) |
| Highlands Ranch to Cagli | 5,503.87 mi (8,857.62 km) |
| Highlands Ranch to Cagliari | 5,586.82 mi (8,991.11 km) |
| Highlands Ranch to Cairo Montenotte | 5,307.58 mi (8,541.72 km) |
| Highlands Ranch to Caivano | 5,692.41 mi (9,161.04 km) |
| Highlands Ranch to Calcinaia | 5,425.89 mi (8,732.13 km) |
| Highlands Ranch to Calcinato | 5,332.71 mi (8,582.17 km) |
| Highlands Ranch to Calderara di Reno | 5,405.62 mi (8,699.51 km) |
| Highlands Ranch to Caldogno | 5,362.96 mi (8,630.85 km) |
| Highlands Ranch to Calenzano | 5,436.37 mi (8,748.99 km) |
| Highlands Ranch to Calolziocorte | 5,282.22 mi (8,500.91 km) |
