| San Marino to Cedar Park (Texas) | 1,208.79 mi (1,945.36 km) |
| San Marino to Cedar Rapids (Iowa) | 1,529.53 mi (2,461.54 km) |
| San Marino to Cedarburg (Wisconsin) | 1,731.83 mi (2,787.11 km) |
| San Marino to Celebration (Florida) | 2,185.56 mi (3,517.32 km) |
| San Marino to Celina (Ohio) | 1,883.67 mi (3,031.48 km) |
| San Marino to Celina (Texas) | 1,224.25 mi (1,970.25 km) |
| San Marino to Centennial (Colorado) | 822.88 mi (1,324.29 km) |
| San Marino to Center Point (Alabama) | 1,795.82 mi (2,890.09 km) |
| San Marino to Centereach (New York) | 2,484.26 mi (3,998.02 km) |
| San Marino to Centerton (Arkansas) | 1,349.37 mi (2,171.61 km) |
| San Marino to Centerville (Ohio) | 1,903.78 mi (3,063.84 km) |
| San Marino to Centerville (Utah) | 580.68 mi (934.52 km) |
| San Marino to Central (Louisiana) | 1,594.87 mi (2,566.70 km) |
| San Marino to Central Falls (Rhode Island) | 2,566.87 mi (4,130.97 km) |
| San Marino to Central Islip (New York) | 2,478.81 mi (3,989.26 km) |
