| Greenford to Sesimbra | 998.51 mi (1,606.95 km) |
| Greenford to Setubal | 989.14 mi (1,591.86 km) |
| Greenford to Sever do Vouga | 837.78 mi (1,348.28 km) |
| Greenford to Silves | 1,066.98 mi (1,717.14 km) |
| Greenford to Sines | 1,025.19 mi (1,649.88 km) |
| Greenford to Sintra | 981.94 mi (1,580.27 km) |
| Greenford to Sobrado de Paiva | 816.76 mi (1,314.45 km) |
| Greenford to Sobral de Monte Agraco | 963.02 mi (1,549.83 km) |
| Greenford to Soure | 886.61 mi (1,426.86 km) |
| Greenford to Tabua | 854.30 mi (1,374.86 km) |
| Greenford to Tavira | 1,057.93 mi (1,702.58 km) |
| Greenford to Tomar | 910.68 mi (1,465.59 km) |
| Greenford to Tondela | 845.47 mi (1,360.65 km) |
| Greenford to Torre de Moncorvo | 782.79 mi (1,259.78 km) |
| Greenford to Torres Novas | 921.57 mi (1,483.12 km) |
