| San Marino to Celano | 6,346.99 mi (10,214.49 km) |
| San Marino to Cento | 6,133.05 mi (9,870.18 km) |
| San Marino to Cepagatti | 6,347.79 mi (10,215.78 km) |
| San Marino to Ceprano | 6,374.80 mi (10,259.25 km) |
| San Marino to Cercola | 6,438.67 mi (10,362.03 km) |
| San Marino to Cerea | 6,106.19 mi (9,826.96 km) |
| San Marino to Cerese | 6,099.51 mi (9,816.21 km) |
| San Marino to Cerignola | 6,465.42 mi (10,405.09 km) |
| San Marino to Cermenate | 6,012.69 mi (9,676.49 km) |
| San Marino to Cernusco sul Naviglio | 6,030.18 mi (9,704.63 km) |
| San Marino to Cerreto Guidi | 6,171.57 mi (9,932.18 km) |
| San Marino to Cerro Maggiore | 6,013.62 mi (9,677.98 km) |
| San Marino to Certaldo | 6,188.22 mi (9,958.98 km) |
| San Marino to Cerveteri | 6,304.86 mi (10,146.70 km) |
| San Marino to Cervia | 6,191.94 mi (9,964.97 km) |
