| San Marino to Chivasso | 6,000.35 mi (9,656.62 km) |
| San Marino to Ciampino | 6,331.80 mi (10,190.04 km) |
| San Marino to Cicciano | 6,439.04 mi (10,362.63 km) |
| San Marino to Cingoli | 6,266.87 mi (10,085.55 km) |
| San Marino to Cinisello Balsamo | 6,024.73 mi (9,695.86 km) |
| San Marino to Cinisi | 6,544.10 mi (10,531.71 km) |
| San Marino to Cirie | 5,988.69 mi (9,637.87 km) |
| San Marino to Ciro Marina | 6,609.39 mi (10,636.78 km) |
| San Marino to Cislago | 6,011.56 mi (9,674.67 km) |
| San Marino to Cisterna di Latina | 6,350.44 mi (10,220.05 km) |
| San Marino to Cisternino | 6,542.30 mi (10,528.82 km) |
| San Marino to Citta di Castello | 6,231.22 mi (10,028.18 km) |
| San Marino to Citta Sant'Angelo | 6,339.09 mi (10,201.78 km) |
| San Marino to Cittadella | 6,099.78 mi (9,816.65 km) |
| San Marino to Cittanova | 6,632.96 mi (10,674.72 km) |
