| Piedmont to Collegno | 5,912.77 mi (9,515.69 km) |
| Piedmont to Cologno al Serio | 5,946.68 mi (9,570.26 km) |
| Piedmont to Cologno Monzese | 5,937.67 mi (9,555.76 km) |
| Piedmont to Colorno | 6,002.55 mi (9,660.17 km) |
| Piedmont to Comacchio | 6,066.35 mi (9,762.84 km) |
| Piedmont to Comiso | 6,582.27 mi (10,593.13 km) |
| Piedmont to Como | 5,916.50 mi (9,521.69 km) |
| Piedmont to Concordia Sagittaria | 6,023.58 mi (9,694.01 km) |
| Piedmont to Concorezzo | 5,935.93 mi (9,552.95 km) |
| Piedmont to Conegliano | 6,001.78 mi (9,658.93 km) |
| Piedmont to Conselice | 6,067.03 mi (9,763.95 km) |
| Piedmont to Conselve | 6,027.21 mi (9,699.86 km) |
| Piedmont to Conversano | 6,418.30 mi (10,329.25 km) |
| Piedmont to Copertino | 6,484.88 mi (10,436.40 km) |
| Piedmont to Copparo | 6,045.24 mi (9,728.87 km) |
