| Quincy to Sesimbra | 3,198.69 mi (5,147.79 km) |
| Quincy to Setubal | 3,206.41 mi (5,160.22 km) |
| Quincy to Sever do Vouga | 3,168.56 mi (5,099.31 km) |
| Quincy to Silves | 3,269.19 mi (5,261.25 km) |
| Quincy to Sines | 3,224.82 mi (5,189.84 km) |
| Quincy to Sintra | 3,174.13 mi (5,108.27 km) |
| Quincy to Sobrado de Paiva | 3,165.08 mi (5,093.71 km) |
| Quincy to Sobral de Monte Agraco | 3,179.28 mi (5,116.55 km) |
| Quincy to Soure | 3,174.85 mi (5,109.43 km) |
| Quincy to Tabua | 3,195.19 mi (5,142.16 km) |
| Quincy to Tavira | 3,310.16 mi (5,327.18 km) |
| Quincy to Tomar | 3,198.15 mi (5,146.92 km) |
| Quincy to Tondela | 3,188.20 mi (5,130.91 km) |
| Quincy to Torre de Moncorvo | 3,214.58 mi (5,173.36 km) |
| Quincy to Torres Novas | 3,196.34 mi (5,144.02 km) |
