| Boulder to Capodrise | 5,672.27 mi (9,128.64 km) |
| Boulder to Capoterra | 5,571.52 mi (8,966.50 km) |
| Boulder to Capriolo | 5,291.80 mi (8,516.33 km) |
| Boulder to Capua | 5,666.41 mi (9,119.21 km) |
| Boulder to Capurso | 5,762.61 mi (9,274.03 km) |
| Boulder to Carate Brianza | 5,259.66 mi (8,464.60 km) |
| Boulder to Caravaggio | 5,288.54 mi (8,511.08 km) |
| Boulder to Carbonera | 5,369.40 mi (8,641.21 km) |
| Boulder to Carbonia | 5,554.82 mi (8,939.62 km) |
| Boulder to Cardito | 5,677.38 mi (9,136.87 km) |
| Boulder to Carignano | 5,247.72 mi (8,445.40 km) |
| Boulder to Carini | 5,780.83 mi (9,303.34 km) |
| Boulder to Carlentini | 5,891.60 mi (9,481.61 km) |
| Boulder to Carmagnola | 5,251.97 mi (8,452.23 km) |
| Boulder to Carmiano | 5,837.99 mi (9,395.34 km) |
