| Rio Grande City to Sesimbra | 5,096.29 mi (8,201.69 km) |
| Rio Grande City to Setubal | 5,104.73 mi (8,215.27 km) |
| Rio Grande City to Sever do Vouga | 5,076.12 mi (8,169.22 km) |
| Rio Grande City to Silves | 5,161.58 mi (8,306.76 km) |
| Rio Grande City to Sines | 5,120.42 mi (8,240.52 km) |
| Rio Grande City to Sintra | 5,072.95 mi (8,164.13 km) |
| Rio Grande City to Sobrado de Paiva | 5,073.63 mi (8,165.21 km) |
| Rio Grande City to Sobral de Monte Agraco | 5,079.44 mi (8,174.57 km) |
| Rio Grande City to Soure | 5,079.84 mi (8,175.21 km) |
| Rio Grande City to Tabua | 5,101.90 mi (8,210.71 km) |
| Rio Grande City to Tavira | 5,203.68 mi (8,374.52 km) |
| Rio Grande City to Tomar | 5,101.72 mi (8,210.42 km) |
| Rio Grande City to Tondela | 5,095.35 mi (8,200.18 km) |
| Rio Grande City to Torre de Moncorvo | 5,124.50 mi (8,247.08 km) |
| Rio Grande City to Torres Novas | 5,099.24 mi (8,206.43 km) |
