| Islington to Sesimbra | 1,004.47 mi (1,616.54 km) |
| Islington to Setubal | 995.02 mi (1,601.33 km) |
| Islington to Sever do Vouga | 844.01 mi (1,358.30 km) |
| Islington to Silves | 1,072.37 mi (1,725.81 km) |
| Islington to Sines | 1,030.93 mi (1,659.12 km) |
| Islington to Sintra | 988.11 mi (1,590.21 km) |
| Islington to Sobrado de Paiva | 823.02 mi (1,324.53 km) |
| Islington to Sobral de Monte Agraco | 969.14 mi (1,559.68 km) |
| Islington to Soure | 892.76 mi (1,436.76 km) |
| Islington to Tabua | 860.24 mi (1,384.43 km) |
| Islington to Tavira | 1,062.95 mi (1,710.65 km) |
| Islington to Tomar | 916.61 mi (1,475.14 km) |
| Islington to Tondela | 851.49 mi (1,370.34 km) |
| Islington to Torre de Moncorvo | 788.51 mi (1,268.98 km) |
| Islington to Torres Novas | 927.52 mi (1,492.70 km) |
