| Boulder City to Capodrise | 6,226.58 mi (10,020.71 km) |
| Boulder City to Capoterra | 6,141.62 mi (9,883.98 km) |
| Boulder City to Capriolo | 5,843.14 mi (9,403.62 km) |
| Boulder City to Capua | 6,220.77 mi (10,011.37 km) |
| Boulder City to Capurso | 6,310.58 mi (10,155.90 km) |
| Boulder City to Carate Brianza | 5,812.20 mi (9,353.84 km) |
| Boulder City to Caravaggio | 5,840.89 mi (9,400.01 km) |
| Boulder City to Carbonera | 5,915.40 mi (9,519.91 km) |
| Boulder City to Carbonia | 6,125.76 mi (9,858.46 km) |
| Boulder City to Cardito | 6,231.96 mi (10,029.36 km) |
| Boulder City to Carignano | 5,805.79 mi (9,343.52 km) |
| Boulder City to Carini | 6,344.94 mi (10,211.20 km) |
| Boulder City to Carlentini | 6,453.71 mi (10,386.24 km) |
| Boulder City to Carmagnola | 5,810.11 mi (9,350.47 km) |
| Boulder City to Carmiano | 6,384.97 mi (10,275.62 km) |
