| Piedmont to Cortona | 6,142.03 mi (9,884.65 km) |
| Piedmont to Cosenza | 6,492.85 mi (10,449.23 km) |
| Piedmont to Cossato | 5,903.39 mi (9,500.58 km) |
| Piedmont to Costa Volpino | 5,944.16 mi (9,566.21 km) |
| Piedmont to Creazzo | 5,999.58 mi (9,655.38 km) |
| Piedmont to Crema | 5,958.30 mi (9,588.96 km) |
| Piedmont to Cremona | 5,981.35 mi (9,626.06 km) |
| Piedmont to Crevalcore | 6,036.49 mi (9,714.79 km) |
| Piedmont to Crispiano | 6,443.16 mi (10,369.26 km) |
| Piedmont to Crosia | 6,491.53 mi (10,447.11 km) |
| Piedmont to Crotone | 6,529.79 mi (10,508.68 km) |
| Piedmont to Cuneo | 5,950.16 mi (9,575.86 km) |
| Piedmont to Cuorgne | 5,897.94 mi (9,491.82 km) |
| Piedmont to Cusano Milanino | 5,933.76 mi (9,549.46 km) |
| Piedmont to Cutro | 6,529.05 mi (10,507.50 km) |
