| Islington to Santarem | 945.52 mi (1,521.66 km) |
| Islington to Santiago do Cacem | 1,023.67 mi (1,647.44 km) |
| Islington to Santo Andre | 1,022.52 mi (1,645.59 km) |
| Islington to Santo Tirso | 808.92 mi (1,301.83 km) |
| Islington to Sao Bras de Alportel | 1,064.78 mi (1,713.60 km) |
| Islington to Sao Felix da Marinha | 831.06 mi (1,337.46 km) |
| Islington to Sao Joao da Madeira | 836.50 mi (1,346.22 km) |
| Islington to Sao Joao de Ver | 834.37 mi (1,342.80 km) |
| Islington to Sao Mamede de Infesta | 820.25 mi (1,320.07 km) |
| Islington to Sao Pedro do Sul | 836.41 mi (1,346.08 km) |
| Islington to Satao | 830.42 mi (1,336.44 km) |
| Islington to Seia | 849.58 mi (1,367.27 km) |
| Islington to Senhora da Hora | 822.30 mi (1,323.37 km) |
| Islington to Serpa | 1,007.77 mi (1,621.85 km) |
| Islington to Serta | 897.33 mi (1,444.12 km) |
