| Piedmont to Coudekerque-Branche | 5,443.69 mi (8,760.77 km) |
| Piedmont to Coueron | 5,511.27 mi (8,869.54 km) |
| Piedmont to Coulommiers | 5,578.93 mi (8,978.41 km) |
| Piedmont to Courbevoic | 5,549.85 mi (8,931.62 km) |
| Piedmont to Courcouronnes | 5,569.37 mi (8,963.03 km) |
| Piedmont to Cournon-d'Auvergne | 5,743.65 mi (9,243.52 km) |
| Piedmont to Courrieres | 5,489.17 mi (8,833.96 km) |
| Piedmont to Coutras | 5,673.12 mi (9,130.00 km) |
| Piedmont to Couzeix | 5,674.72 mi (9,132.58 km) |
| Piedmont to Cran-Gevrier | 5,824.00 mi (9,372.83 km) |
| Piedmont to Craponne | 5,790.71 mi (9,319.24 km) |
| Piedmont to Creil | 5,538.00 mi (8,912.55 km) |
| Piedmont to Crepy-en-Valois | 5,551.23 mi (8,933.84 km) |
| Piedmont to Crest | 5,854.30 mi (9,421.59 km) |
| Piedmont to Creteil | 5,561.68 mi (8,950.65 km) |
