| San Marino to Cehegin | 5,991.60 mi (9,642.55 km) |
| San Marino to Cervello | 5,981.67 mi (9,626.57 km) |
| San Marino to Cervera | 5,943.13 mi (9,564.54 km) |
| San Marino to Ceuti | 6,013.47 mi (9,677.74 km) |
| San Marino to Cheste | 5,971.51 mi (9,610.22 km) |
| San Marino to Chiclana de la Frontera | 5,886.03 mi (9,472.65 km) |
| San Marino to Chipiona | 5,859.99 mi (9,430.74 km) |
| San Marino to Chiva | 5,970.51 mi (9,608.61 km) |
| San Marino to Churriana de la Vega | 5,958.82 mi (9,589.79 km) |
| San Marino to Ciempozuelos | 5,824.03 mi (9,372.87 km) |
| San Marino to Cieza | 6,000.12 mi (9,656.26 km) |
| San Marino to Cisterniga | 5,716.39 mi (9,199.64 km) |
| San Marino to Ciudad de Melilla | 6,073.27 mi (9,773.99 km) |
| San Marino to Ciudad Real | 5,865.02 mi (9,438.84 km) |
| San Marino to Ciudad-Rodrigo | 5,686.70 mi (9,151.87 km) |
