| San Marcos to Cervignano del Friuli | 6,167.06 mi (9,924.93 km) |
| San Marcos to Cesa | 6,455.43 mi (10,389.02 km) |
| San Marcos to Cesano Maderno | 6,044.48 mi (9,727.65 km) |
| San Marcos to Cesena | 6,222.09 mi (10,013.48 km) |
| San Marcos to Cesenatico | 6,223.67 mi (10,016.03 km) |
| San Marcos to Cetraro | 6,591.10 mi (10,607.34 km) |
| San Marcos to Cherasco | 6,051.68 mi (9,739.23 km) |
| San Marcos to Chiampo | 6,117.45 mi (9,845.08 km) |
| San Marcos to Chiaravalle | 6,285.45 mi (10,115.46 km) |
| San Marcos to Chiari | 6,074.14 mi (9,775.38 km) |
| San Marcos to Chiavari | 6,117.71 mi (9,845.50 km) |
| San Marcos to Chieri | 6,031.90 mi (9,707.41 km) |
| San Marcos to Chieti | 6,378.98 mi (10,265.98 km) |
| San Marcos to Chioggia | 6,166.24 mi (9,923.60 km) |
| San Marcos to Chiusi | 6,271.57 mi (10,093.12 km) |
