| Amarillo to Sesimbra | 4,895.97 mi (7,879.30 km) |
| Amarillo to Setubal | 4,902.83 mi (7,890.34 km) |
| Amarillo to Sever do Vouga | 4,850.48 mi (7,806.10 km) |
| Amarillo to Silves | 4,971.18 mi (8,000.35 km) |
| Amarillo to Sines | 4,924.06 mi (7,924.51 km) |
| Amarillo to Sintra | 4,870.16 mi (7,837.77 km) |
| Amarillo to Sobrado de Paiva | 4,844.69 mi (7,796.77 km) |
| Amarillo to Sobral de Monte Agraco | 4,873.60 mi (7,843.31 km) |
| Amarillo to Soure | 4,861.88 mi (7,824.45 km) |
| Amarillo to Tabua | 4,878.72 mi (7,851.55 km) |
| Amarillo to Tavira | 5,010.89 mi (8,064.24 km) |
| Amarillo to Tomar | 4,887.42 mi (7,865.54 km) |
| Amarillo to Tondela | 4,870.84 mi (7,838.85 km) |
| Amarillo to Torre de Moncorvo | 4,889.93 mi (7,869.59 km) |
| Amarillo to Torres Novas | 4,886.69 mi (7,864.36 km) |
