| Harrow Weald to Sesimbra | 1,003.21 mi (1,614.51 km) |
| Harrow Weald to Setubal | 993.85 mi (1,599.45 km) |
| Harrow Weald to Sever do Vouga | 842.42 mi (1,355.75 km) |
| Harrow Weald to Silves | 1,071.80 mi (1,724.90 km) |
| Harrow Weald to Sines | 1,029.94 mi (1,657.53 km) |
| Harrow Weald to Sintra | 986.59 mi (1,587.76 km) |
| Harrow Weald to Sobrado de Paiva | 821.39 mi (1,321.90 km) |
| Harrow Weald to Sobral de Monte Agraco | 967.68 mi (1,557.33 km) |
| Harrow Weald to Soure | 891.26 mi (1,434.35 km) |
| Harrow Weald to Tabua | 859.00 mi (1,382.43 km) |
| Harrow Weald to Tavira | 1,062.83 mi (1,710.45 km) |
| Harrow Weald to Tomar | 915.39 mi (1,473.17 km) |
| Harrow Weald to Tondela | 850.16 mi (1,368.20 km) |
| Harrow Weald to Torre de Moncorvo | 787.55 mi (1,267.43 km) |
| Harrow Weald to Torres Novas | 926.27 mi (1,490.69 km) |
