| San Marino to Caltagirone | 6,642.31 mi (10,689.77 km) |
| San Marino to Caltanissetta | 6,613.34 mi (10,643.15 km) |
| San Marino to Calvisano | 6,071.03 mi (9,770.38 km) |
| San Marino to Calvizzano | 6,431.51 mi (10,350.52 km) |
| San Marino to Camaiore | 6,144.00 mi (9,887.82 km) |
| San Marino to Cameri | 6,009.17 mi (9,670.83 km) |
| San Marino to Camisano Vicentino | 6,104.84 mi (9,824.79 km) |
| San Marino to Campagna | 6,473.50 mi (10,418.10 km) |
| San Marino to Campagnano di Roma | 6,306.89 mi (10,149.96 km) |
| San Marino to Campi Bisenzio | 6,176.93 mi (9,940.80 km) |
| San Marino to Campi Salentina | 6,578.81 mi (10,587.57 km) |
| San Marino to Campiglia Marittima | 6,199.92 mi (9,977.80 km) |
| San Marino to Campobasso | 6,410.38 mi (10,316.51 km) |
| San Marino to Campobello di Licata | 6,621.46 mi (10,656.22 km) |
| San Marino to Campobello di Mazara | 6,560.86 mi (10,558.69 km) |
