| San Marcos to Cernavoda | 6,654.06 mi (10,708.67 km) |
| San Marcos to Chitila | 6,593.95 mi (10,611.94 km) |
| San Marcos to Cisnadie | 6,476.66 mi (10,423.18 km) |
| San Marcos to Cluj-Napoca | 6,400.49 mi (10,300.59 km) |
| San Marcos to Codlea | 6,509.86 mi (10,476.61 km) |
| San Marcos to Comanesti | 6,490.43 mi (10,445.34 km) |
| San Marcos to Comarnic | 6,541.10 mi (10,526.88 km) |
| San Marcos to Constanta | 6,678.63 mi (10,748.21 km) |
| San Marcos to Corabia | 6,599.91 mi (10,621.52 km) |
| San Marcos to Costesti | 6,556.68 mi (10,551.95 km) |
| San Marcos to Covasna | 6,518.85 mi (10,491.07 km) |
| San Marcos to Craiova | 6,549.09 mi (10,539.74 km) |
| San Marcos to Cristuru Secuiesc | 6,464.52 mi (10,403.64 km) |
| San Marcos to Cugir | 6,448.93 mi (10,378.55 km) |
| San Marcos to Cumpana | 6,680.08 mi (10,750.56 km) |
