| Highlands Ranch to Carmignano | 5,433.53 mi (8,744.42 km) |
| Highlands Ranch to Carovigno | 5,822.48 mi (9,370.38 km) |
| Highlands Ranch to Carpenedolo | 5,337.81 mi (8,590.37 km) |
| Highlands Ranch to Carpi | 5,381.72 mi (8,661.04 km) |
| Highlands Ranch to Carrara | 5,388.36 mi (8,671.73 km) |
| Highlands Ranch to Carugate | 5,290.67 mi (8,514.52 km) |
| Highlands Ranch to Casal di Principe | 5,683.12 mi (9,146.09 km) |
| Highlands Ranch to Casale Monferrato | 5,279.63 mi (8,496.75 km) |
| Highlands Ranch to Casale sul Sile | 5,391.49 mi (8,676.77 km) |
| Highlands Ranch to Casalecchio di Reno | 5,410.28 mi (8,707.01 km) |
| Highlands Ranch to Casalgrande | 5,386.21 mi (8,668.27 km) |
| Highlands Ranch to Casalmaggiore | 5,355.56 mi (8,618.95 km) |
| Highlands Ranch to Casalnuovo di Napoli | 5,695.87 mi (9,166.61 km) |
| Highlands Ranch to Casalpusterlengo | 5,319.58 mi (8,561.03 km) |
| Highlands Ranch to Casaluce | 5,686.33 mi (9,151.26 km) |
