| Helston to Santarem | 769.09 mi (1,237.74 km) |
| Helston to Santiago do Cacem | 851.83 mi (1,370.88 km) |
| Helston to Santo Andre | 850.06 mi (1,368.03 km) |
| Helston to Santo Tirso | 624.89 mi (1,005.66 km) |
| Helston to Sao Bras de Alportel | 904.10 mi (1,455.01 km) |
| Helston to Sao Felix da Marinha | 646.88 mi (1,041.05 km) |
| Helston to Sao Joao da Madeira | 654.52 mi (1,053.34 km) |
| Helston to Sao Joao de Ver | 651.41 mi (1,048.34 km) |
| Helston to Sao Mamede de Infesta | 635.44 mi (1,022.65 km) |
| Helston to Sao Pedro do Sul | 659.98 mi (1,062.13 km) |
| Helston to Satao | 658.01 mi (1,058.97 km) |
| Helston to Seia | 678.97 mi (1,092.69 km) |
| Helston to Senhora da Hora | 637.01 mi (1,025.16 km) |
| Helston to Serpa | 847.67 mi (1,364.19 km) |
| Helston to Serta | 724.85 mi (1,166.53 km) |
