| San Marcos to Corato | 6,515.34 mi (10,485.43 km) |
| San Marcos to Corbetta | 6,045.34 mi (9,729.03 km) |
| San Marcos to Corciano | 6,276.34 mi (10,100.79 km) |
| San Marcos to Cordenons | 6,139.02 mi (9,879.80 km) |
| San Marcos to Cori | 6,375.73 mi (10,260.74 km) |
| San Marcos to Coriano | 6,242.57 mi (10,046.45 km) |
| San Marcos to Corigliano Calabro | 6,604.08 mi (10,628.24 km) |
| San Marcos to Corleone | 6,592.04 mi (10,608.87 km) |
| San Marcos to Cormano | 6,049.28 mi (9,735.38 km) |
| San Marcos to Cornaredo | 6,047.47 mi (9,732.45 km) |
| San Marcos to Cornate d'Adda | 6,053.95 mi (9,742.89 km) |
| San Marcos to Cornedo Vicentino | 6,116.08 mi (9,842.88 km) |
| San Marcos to Correggio | 6,141.94 mi (9,884.49 km) |
| San Marcos to Corridonia | 6,309.97 mi (10,154.91 km) |
| San Marcos to Corsico | 6,053.59 mi (9,742.32 km) |
