| Sun Prairie to Sesimbra | 4,038.21 mi (6,498.87 km) |
| Sun Prairie to Setubal | 4,044.65 mi (6,509.23 km) |
| Sun Prairie to Sever do Vouga | 3,987.27 mi (6,416.89 km) |
| Sun Prairie to Silves | 4,115.72 mi (6,623.62 km) |
| Sun Prairie to Sines | 4,067.21 mi (6,545.54 km) |
| Sun Prairie to Sintra | 4,011.89 mi (6,456.51 km) |
| Sun Prairie to Sobrado de Paiva | 3,980.88 mi (6,406.60 km) |
| Sun Prairie to Sobral de Monte Agraco | 4,014.58 mi (6,460.83 km) |
| Sun Prairie to Soure | 4,000.17 mi (6,437.66 km) |
| Sun Prairie to Tabua | 4,015.90 mi (6,462.97 km) |
| Sun Prairie to Tavira | 4,154.61 mi (6,686.19 km) |
| Sun Prairie to Tomar | 4,026.41 mi (6,479.88 km) |
| Sun Prairie to Tondela | 4,007.78 mi (6,449.90 km) |
| Sun Prairie to Torre de Moncorvo | 4,025.04 mi (6,477.67 km) |
| Sun Prairie to Torres Novas | 4,026.06 mi (6,479.31 km) |
