| Didymoteicho to Setubal | 1,872.08 mi (3,012.82 km) |
| Didymoteicho to Sever do Vouga | 1,805.14 mi (2,905.09 km) |
| Didymoteicho to Silves | 1,878.00 mi (3,022.35 km) |
| Didymoteicho to Sines | 1,882.69 mi (3,029.90 km) |
| Didymoteicho to Sintra | 1,892.04 mi (3,044.95 km) |
| Didymoteicho to Sobrado de Paiva | 1,795.51 mi (2,889.59 km) |
| Didymoteicho to Sobral de Monte Agraco | 1,875.53 mi (3,018.38 km) |
| Didymoteicho to Soure | 1,829.93 mi (2,944.98 km) |
| Didymoteicho to Tabua | 1,793.81 mi (2,886.86 km) |
| Didymoteicho to Tavira | 1,838.76 mi (2,959.20 km) |
| Didymoteicho to Tomar | 1,826.75 mi (2,939.86 km) |
| Didymoteicho to Tondela | 1,794.07 mi (2,887.27 km) |
| Didymoteicho to Torre de Moncorvo | 1,735.41 mi (2,792.87 km) |
| Didymoteicho to Torres Novas | 1,835.17 mi (2,953.43 km) |
| Didymoteicho to Torres Vedras | 1,880.16 mi (3,025.83 km) |
