| San Marino to Scottsboro (Alabama) | 1,820.91 mi (2,930.48 km) |
| San Marino to Scottsdale (Arizona) | 359.50 mi (578.56 km) |
| San Marino to Scranton (Pennsylvania) | 2,348.16 mi (3,779.00 km) |
| San Marino to Seabrook (Maryland) | 2,295.00 mi (3,693.44 km) |
| San Marino to Seabrook (Texas) | 1,387.83 mi (2,233.50 km) |
| San Marino to Seaford (New York) | 2,463.83 mi (3,965.15 km) |
| San Marino to Seagoville (Texas) | 1,246.07 mi (2,005.35 km) |
| San Marino to Seal Beach (California) | 25.55 mi (41.12 km) |
| San Marino to Searcy (Arkansas) | 1,496.32 mi (2,408.10 km) |
| San Marino to Seaside (California) | 270.97 mi (436.09 km) |
| San Marino to SeaTac (Washington) | 945.77 mi (1,522.07 km) |
| San Marino to Seattle (Washington) | 957.88 mi (1,541.57 km) |
| San Marino to Sebastian (Florida) | 2,259.36 mi (3,636.08 km) |
| San Marino to Sebring (Florida) | 2,211.35 mi (3,558.83 km) |
| San Marino to Secaucus (New Jersey) | 2,433.33 mi (3,916.07 km) |
