| San Marino to Salisbury (Maryland) | 2,366.82 mi (3,809.03 km) |
| San Marino to Salisbury (New York) | 2,459.89 mi (3,958.81 km) |
| San Marino to Salisbury (North Carolina) | 2,121.76 mi (3,414.64 km) |
| San Marino to Salmon Creek (Washington) | 835.76 mi (1,345.03 km) |
| San Marino to Salt Lake City (Utah) | 570.99 mi (918.93 km) |
| San Marino to Sammamish (Washington) | 953.35 mi (1,534.27 km) |
| San Marino to San Angelo (Texas) | 1,041.20 mi (1,675.65 km) |
| San Marino to San Anselmo (California) | 364.73 mi (586.97 km) |
| San Marino to San Antonio (Texas) | 1,192.44 mi (1,919.05 km) |
| San Marino to San Benito (Texas) | 1,338.79 mi (2,154.58 km) |
| San Marino to San Bernardino (California) | 46.85 mi (75.40 km) |
| San Marino to San Bruno (California) | 342.02 mi (550.43 km) |
| San Marino to San Buenaventura (California) | 64.76 mi (104.21 km) |
| San Marino to San Carlos (California) | 329.46 mi (530.21 km) |
| San Marino to San Carlos Park (Florida) | 2,216.23 mi (3,566.67 km) |
