| Potters Bar to Sesimbra | 1,012.11 mi (1,628.84 km) |
| Potters Bar to Setubal | 1,002.73 mi (1,613.74 km) |
| Potters Bar to Sever do Vouga | 851.40 mi (1,370.20 km) |
| Potters Bar to Silves | 1,080.51 mi (1,738.92 km) |
| Potters Bar to Sines | 1,038.77 mi (1,671.74 km) |
| Potters Bar to Sintra | 995.55 mi (1,602.18 km) |
| Potters Bar to Sobrado de Paiva | 830.38 mi (1,336.37 km) |
| Potters Bar to Sobral de Monte Agraco | 976.63 mi (1,571.74 km) |
| Potters Bar to Soure | 900.22 mi (1,448.77 km) |
| Potters Bar to Tabua | 867.90 mi (1,396.75 km) |
| Potters Bar to Tavira | 1,071.39 mi (1,724.24 km) |
| Potters Bar to Tomar | 924.28 mi (1,487.48 km) |
| Potters Bar to Tondela | 859.08 mi (1,382.55 km) |
| Potters Bar to Torre de Moncorvo | 796.37 mi (1,281.63 km) |
| Potters Bar to Torres Novas | 935.17 mi (1,505.01 km) |
