| Barstow to Sesimbra | 5,592.66 mi (9,000.52 km) |
| Barstow to Setubal | 5,598.09 mi (9,009.26 km) |
| Barstow to Sever do Vouga | 5,526.46 mi (8,893.98 km) |
| Barstow to Silves | 5,674.57 mi (9,132.33 km) |
| Barstow to Sines | 5,623.49 mi (9,050.13 km) |
| Barstow to Sintra | 5,565.32 mi (8,956.51 km) |
| Barstow to Sobrado de Paiva | 5,517.86 mi (8,880.13 km) |
| Barstow to Sobral de Monte Agraco | 5,566.15 mi (8,957.86 km) |
| Barstow to Soure | 5,544.36 mi (8,922.78 km) |
| Barstow to Tabua | 5,556.29 mi (8,941.99 km) |
| Barstow to Tavira | 5,711.59 mi (9,191.91 km) |
| Barstow to Tomar | 5,572.53 mi (8,968.12 km) |
| Barstow to Tondela | 5,547.39 mi (8,927.66 km) |
| Barstow to Torre de Moncorvo | 5,557.09 mi (8,943.27 km) |
| Barstow to Torres Novas | 5,573.30 mi (8,969.36 km) |
