| Helston to Sesimbra | 827.06 mi (1,331.03 km) |
| Helston to Setubal | 819.35 mi (1,318.62 km) |
| Helston to Sever do Vouga | 664.22 mi (1,068.96 km) |
| Helston to Silves | 905.95 mi (1,457.98 km) |
| Helston to Sines | 857.68 mi (1,380.30 km) |
| Helston to Sintra | 806.47 mi (1,297.89 km) |
| Helston to Sobrado de Paiva | 642.86 mi (1,034.58 km) |
| Helston to Sobral de Monte Agraco | 788.90 mi (1,269.60 km) |
| Helston to Soure | 713.32 mi (1,147.97 km) |
| Helston to Tabua | 686.08 mi (1,104.14 km) |
| Helston to Tavira | 904.80 mi (1,456.14 km) |
| Helston to Tomar | 741.49 mi (1,193.32 km) |
| Helston to Tondela | 675.97 mi (1,087.88 km) |
| Helston to Torre de Moncorvo | 621.43 mi (1,000.09 km) |
| Helston to Torres Novas | 751.72 mi (1,209.78 km) |
