| Robstown to Sesimbra | 4,982.23 mi (8,018.12 km) |
| Robstown to Setubal | 4,990.57 mi (8,031.55 km) |
| Robstown to Sever do Vouga | 4,960.48 mi (7,983.12 km) |
| Robstown to Silves | 5,048.23 mi (8,124.35 km) |
| Robstown to Sines | 5,006.64 mi (8,057.41 km) |
| Robstown to Sintra | 4,958.71 mi (7,980.28 km) |
| Robstown to Sobrado de Paiva | 4,957.80 mi (7,978.80 km) |
| Robstown to Sobral de Monte Agraco | 4,965.01 mi (7,990.42 km) |
| Robstown to Soure | 4,964.65 mi (7,989.84 km) |
| Robstown to Tabua | 4,986.42 mi (8,024.87 km) |
| Robstown to Tavira | 5,090.21 mi (8,191.90 km) |
| Robstown to Tomar | 4,986.77 mi (8,025.44 km) |
| Robstown to Tondela | 4,979.79 mi (8,014.20 km) |
| Robstown to Torre de Moncorvo | 5,008.39 mi (8,060.22 km) |
| Robstown to Torres Novas | 4,984.40 mi (8,021.62 km) |
