| Americus to Sesimbra | 4,143.21 mi (6,667.85 km) |
| Americus to Setubal | 4,151.99 mi (6,681.99 km) |
| Americus to Sever do Vouga | 4,130.12 mi (6,646.78 km) |
| Americus to Silves | 4,206.08 mi (6,769.03 km) |
| Americus to Sines | 4,166.34 mi (6,705.07 km) |
| Americus to Sintra | 4,120.56 mi (6,631.40 km) |
| Americus to Sobrado de Paiva | 4,128.69 mi (6,644.49 km) |
| Americus to Sobral de Monte Agraco | 4,127.78 mi (6,643.03 km) |
| Americus to Soure | 4,131.48 mi (6,648.98 km) |
| Americus to Tabua | 4,155.00 mi (6,686.83 km) |
| Americus to Tavira | 4,248.55 mi (6,837.38 km) |
| Americus to Tomar | 4,152.22 mi (6,682.35 km) |
| Americus to Tondela | 4,148.90 mi (6,677.01 km) |
| Americus to Torre de Moncorvo | 4,181.16 mi (6,728.93 km) |
| Americus to Torres Novas | 4,149.27 mi (6,677.61 km) |
