| San Marino to Clacton-on-Sea | 5,459.52 mi (8,786.24 km) |
| San Marino to Clay Cross | 5,316.08 mi (8,555.41 km) |
| San Marino to Clayton | 5,275.84 mi (8,490.65 km) |
| San Marino to Clayton le Moors | 5,258.31 mi (8,462.44 km) |
| San Marino to Cleckheaton | 5,281.34 mi (8,499.49 km) |
| San Marino to Cleethorpes | 5,341.65 mi (8,596.56 km) |
| San Marino to Clevedon | 5,346.65 mi (8,604.60 km) |
| San Marino to Clifton | 5,335.21 mi (8,586.20 km) |
| San Marino to Clifton | 5,289.50 mi (8,512.64 km) |
| San Marino to Cliftonville | 5,486.61 mi (8,829.85 km) |
| San Marino to Clitheroe | 5,253.83 mi (8,455.22 km) |
| San Marino to Clydebank | 5,103.74 mi (8,213.67 km) |
| San Marino to Coalville | 5,337.26 mi (8,589.49 km) |
| San Marino to Coatbridge | 5,116.74 mi (8,234.59 km) |
| San Marino to Cobham | 5,431.43 mi (8,741.04 km) |
