| Desborough to Sesimbra | 1,045.44 mi (1,682.47 km) |
| Desborough to Setubal | 1,036.45 mi (1,668.01 km) |
| Desborough to Sever do Vouga | 883.57 mi (1,421.96 km) |
| Desborough to Silves | 1,116.61 mi (1,797.02 km) |
| Desborough to Sines | 1,073.18 mi (1,727.11 km) |
| Desborough to Sintra | 1,027.76 mi (1,654.02 km) |
| Desborough to Sobrado de Paiva | 862.36 mi (1,387.83 km) |
| Desborough to Sobral de Monte Agraco | 1,009.14 mi (1,624.05 km) |
| Desborough to Soure | 932.67 mi (1,500.98 km) |
| Desborough to Tabua | 901.50 mi (1,450.82 km) |
| Desborough to Tavira | 1,109.27 mi (1,785.19 km) |
| Desborough to Tomar | 957.87 mi (1,541.54 km) |
| Desborough to Tondela | 892.31 mi (1,436.04 km) |
| Desborough to Torre de Moncorvo | 831.24 mi (1,337.76 km) |
| Desborough to Torres Novas | 968.63 mi (1,558.87 km) |
