| San Marino to San Luis (Arizona) | 226.58 mi (364.64 km) |
| San Marino to San Luis Obispo (California) | 165.32 mi (266.06 km) |
| San Marino to San Marcos (California) | 87.02 mi (140.04 km) |
| San Marino to San Marcos (Texas) | 1,215.97 mi (1,956.92 km) |
| San Marino to San Mateo (California) | 333.80 mi (537.20 km) |
| San Marino to San Pablo (California) | 355.22 mi (571.67 km) |
| San Marino to San Rafael (California) | 363.33 mi (584.72 km) |
| San Marino to San Ramon (California) | 330.07 mi (531.20 km) |
| San Marino to San Tan Valley (Arizona) | 382.27 mi (615.21 km) |
| San Marino to Sand Springs (Oklahoma) | 1,247.41 mi (2,007.51 km) |
| San Marino to Sandusky (Ohio) | 1,983.73 mi (3,192.51 km) |
| San Marino to Sandy (Oregon) | 809.49 mi (1,302.75 km) |
| San Marino to Sandy (Utah) | 562.54 mi (905.33 km) |
| San Marino to Sandy Springs (Georgia) | 1,923.25 mi (3,095.17 km) |
| San Marino to Sanford (Florida) | 2,190.24 mi (3,524.85 km) |
