| San Marcos to Castrovillari | 6,581.95 mi (10,592.62 km) |
| San Marcos to Catania | 6,670.88 mi (10,735.74 km) |
| San Marcos to Catanzaro | 6,645.18 mi (10,694.38 km) |
| San Marcos to Cattolica | 6,246.83 mi (10,053.31 km) |
| San Marcos to Cava de' Tirreni | 6,485.09 mi (10,436.74 km) |
| San Marcos to Cavallino | 6,617.94 mi (10,650.54 km) |
| San Marcos to Cavarzere | 6,164.36 mi (9,920.59 km) |
| San Marcos to Cave | 6,367.28 mi (10,247.14 km) |
| San Marcos to Cavriago | 6,137.50 mi (9,877.35 km) |
| San Marcos to Cavriglia | 6,230.07 mi (10,026.33 km) |
| San Marcos to Cazzago San Martino | 6,075.55 mi (9,777.66 km) |
| San Marcos to Ceccano | 6,393.75 mi (10,289.75 km) |
| San Marcos to Cecina | 6,208.54 mi (9,991.67 km) |
| San Marcos to Cefalu | 6,605.36 mi (10,630.30 km) |
| San Marcos to Ceglie Messapico | 6,577.55 mi (10,585.54 km) |
