| Riverton to Sesimbra | 5,130.44 mi (8,256.65 km) |
| Riverton to Setubal | 5,135.50 mi (8,264.79 km) |
| Riverton to Sever do Vouga | 5,059.75 mi (8,142.88 km) |
| Riverton to Silves | 5,213.83 mi (8,390.86 km) |
| Riverton to Sines | 5,161.87 mi (8,307.22 km) |
| Riverton to Sintra | 5,102.79 mi (8,212.14 km) |
| Riverton to Sobrado de Paiva | 5,050.60 mi (8,128.16 km) |
| Riverton to Sobral de Monte Agraco | 5,102.99 mi (8,212.47 km) |
| Riverton to Soure | 5,078.96 mi (8,173.79 km) |
| Riverton to Tabua | 5,089.83 mi (8,191.30 km) |
| Riverton to Tavira | 5,250.06 mi (8,449.15 km) |
| Riverton to Tomar | 5,107.64 mi (8,219.95 km) |
| Riverton to Tondela | 5,080.74 mi (8,176.66 km) |
| Riverton to Torre de Moncorvo | 5,088.60 mi (8,189.31 km) |
| Riverton to Torres Novas | 5,108.74 mi (8,221.73 km) |
