| Red Oak to Sesimbra | 4,756.65 mi (7,655.09 km) |
| Red Oak to Setubal | 4,764.37 mi (7,667.51 km) |
| Red Oak to Sever do Vouga | 4,724.68 mi (7,603.63 km) |
| Red Oak to Silves | 4,826.88 mi (7,768.11 km) |
| Red Oak to Sines | 4,782.74 mi (7,697.07 km) |
| Red Oak to Sintra | 4,732.08 mi (7,615.54 km) |
| Red Oak to Sobrado de Paiva | 4,720.68 mi (7,597.20 km) |
| Red Oak to Sobral de Monte Agraco | 4,737.15 mi (7,623.71 km) |
| Red Oak to Soure | 4,731.92 mi (7,615.29 km) |
| Red Oak to Tabua | 4,751.66 mi (7,647.06 km) |
| Red Oak to Tavira | 4,867.96 mi (7,834.23 km) |
| Red Oak to Tomar | 4,755.56 mi (7,653.33 km) |
| Red Oak to Tondela | 4,744.48 mi (7,635.50 km) |
| Red Oak to Torre de Moncorvo | 4,769.18 mi (7,675.25 km) |
| Red Oak to Torres Novas | 4,753.88 mi (7,650.63 km) |
