| Steinau an der Strasse to Setubal | 1,212.42 mi (1,951.20 km) |
| Steinau an der Strasse to Sever do Vouga | 1,083.25 mi (1,743.32 km) |
| Steinau an der Strasse to Silves | 1,267.02 mi (2,039.06 km) |
| Steinau an der Strasse to Sines | 1,241.01 mi (1,997.21 km) |
| Steinau an der Strasse to Sintra | 1,216.45 mi (1,957.68 km) |
| Steinau an der Strasse to Sobrado de Paiva | 1,065.23 mi (1,714.32 km) |
| Steinau an der Strasse to Sobral de Monte Agraco | 1,196.73 mi (1,925.95 km) |
| Steinau an der Strasse to Soure | 1,126.28 mi (1,812.57 km) |
| Steinau an der Strasse to Tabua | 1,088.58 mi (1,751.90 km) |
| Steinau an der Strasse to Tavira | 1,244.07 mi (2,002.14 km) |
| Steinau an der Strasse to Tomar | 1,140.50 mi (1,835.46 km) |
| Steinau an der Strasse to Tondela | 1,082.99 mi (1,742.90 km) |
| Steinau an der Strasse to Torre de Moncorvo | 1,014.49 mi (1,632.66 km) |
| Steinau an der Strasse to Torres Novas | 1,151.46 mi (1,853.09 km) |
| Steinau an der Strasse to Torres Vedras | 1,197.67 mi (1,927.47 km) |
