| Piedmont to Cocentaina | 5,983.78 mi (9,629.96 km) |
| Piedmont to Coin | 5,925.91 mi (9,536.84 km) |
| Piedmont to Colindres | 5,642.51 mi (9,080.74 km) |
| Piedmont to Collado-Villalba | 5,758.70 mi (9,267.74 km) |
| Piedmont to Colmenar Viejo | 5,766.34 mi (9,280.02 km) |
| Piedmont to Colmenarejo | 5,761.96 mi (9,272.98 km) |
| Piedmont to Conil de la Frontera | 5,893.07 mi (9,483.98 km) |
| Piedmont to Consuegra | 5,831.46 mi (9,384.82 km) |
| Piedmont to Corbera de Llobregat | 5,929.02 mi (9,541.84 km) |
| Piedmont to Cordoba | 5,864.95 mi (9,438.72 km) |
| Piedmont to Coria del Rio | 5,845.04 mi (9,406.68 km) |
| Piedmont to Crevillente | 5,995.70 mi (9,649.14 km) |
| Piedmont to Cuarte de Huerva | 5,822.17 mi (9,369.88 km) |
| Piedmont to Cubellas | 5,931.03 mi (9,545.07 km) |
| Piedmont to Cuellar | 5,709.77 mi (9,188.98 km) |
