| Kew Green to Sesimbra | 1,001.12 mi (1,611.15 km) |
| Kew Green to Setubal | 991.71 mi (1,596.00 km) |
| Kew Green to Sever do Vouga | 840.54 mi (1,352.71 km) |
| Kew Green to Silves | 1,069.29 mi (1,720.86 km) |
| Kew Green to Sines | 1,027.69 mi (1,653.91 km) |
| Kew Green to Sintra | 984.66 mi (1,584.66 km) |
| Kew Green to Sobrado de Paiva | 819.53 mi (1,318.91 km) |
| Kew Green to Sobral de Monte Agraco | 965.72 mi (1,554.17 km) |
| Kew Green to Soure | 889.33 mi (1,431.23 km) |
| Kew Green to Tabua | 856.90 mi (1,379.05 km) |
| Kew Green to Tavira | 1,060.05 mi (1,705.99 km) |
| Kew Green to Tomar | 913.28 mi (1,469.78 km) |
| Kew Green to Tondela | 848.11 mi (1,364.91 km) |
| Kew Green to Torre de Moncorvo | 785.27 mi (1,263.78 km) |
| Kew Green to Torres Novas | 924.18 mi (1,487.32 km) |
