| Nettuno to Setubal | 1,156.00 mi (1,860.40 km) |
| Nettuno to Sever do Vouga | 1,093.60 mi (1,759.98 km) |
| Nettuno to Silves | 1,162.88 mi (1,871.47 km) |
| Nettuno to Sines | 1,166.62 mi (1,877.49 km) |
| Nettuno to Sintra | 1,176.25 mi (1,892.99 km) |
| Nettuno to Sobrado de Paiva | 1,085.19 mi (1,746.44 km) |
| Nettuno to Sobral de Monte Agraco | 1,159.93 mi (1,866.72 km) |
| Nettuno to Soure | 1,116.21 mi (1,796.37 km) |
| Nettuno to Tabua | 1,080.73 mi (1,739.26 km) |
| Nettuno to Tavira | 1,124.24 mi (1,809.29 km) |
| Nettuno to Tomar | 1,111.84 mi (1,789.34 km) |
| Nettuno to Tondela | 1,081.54 mi (1,740.58 km) |
| Nettuno to Torre de Moncorvo | 1,025.16 mi (1,649.83 km) |
| Nettuno to Torres Novas | 1,120.06 mi (1,802.56 km) |
| Nettuno to Torres Vedras | 1,164.68 mi (1,874.37 km) |
