| San Marino to Sesimbra | 5,672.19 mi (9,128.50 km) |
| San Marino to Setubal | 5,677.61 mi (9,137.23 km) |
| San Marino to Sever do Vouga | 5,605.87 mi (9,021.78 km) |
| San Marino to Silves | 5,754.10 mi (9,260.33 km) |
| San Marino to Sines | 5,703.01 mi (9,178.11 km) |
| San Marino to Sintra | 5,644.84 mi (9,084.48 km) |
| San Marino to Sobrado de Paiva | 5,597.24 mi (9,007.89 km) |
| San Marino to Sobral de Monte Agraco | 5,645.66 mi (9,085.81 km) |
| San Marino to Soure | 5,623.81 mi (9,050.65 km) |
| San Marino to Tabua | 5,635.71 mi (9,069.80 km) |
| San Marino to Tavira | 5,791.12 mi (9,319.90 km) |
| San Marino to Tomar | 5,652.00 mi (9,096.01 km) |
| San Marino to Tondela | 5,626.80 mi (9,055.45 km) |
| San Marino to Torre de Moncorvo | 5,636.41 mi (9,070.92 km) |
| San Marino to Torres Novas | 5,652.78 mi (9,097.27 km) |
