| Langgons to Setubal | 1,191.48 mi (1,917.50 km) |
| Langgons to Sever do Vouga | 1,060.03 mi (1,705.95 km) |
| Langgons to Silves | 1,248.11 mi (2,008.64 km) |
| Langgons to Sines | 1,220.76 mi (1,964.62 km) |
| Langgons to Sintra | 1,194.66 mi (1,922.61 km) |
| Langgons to Sobrado de Paiva | 1,041.70 mi (1,676.45 km) |
| Langgons to Sobral de Monte Agraco | 1,174.92 mi (1,890.85 km) |
| Langgons to Soure | 1,103.70 mi (1,776.24 km) |
| Langgons to Tabua | 1,066.22 mi (1,715.92 km) |
| Langgons to Tavira | 1,226.16 mi (1,973.32 km) |
| Langgons to Tomar | 1,118.73 mi (1,800.43 km) |
| Langgons to Tondela | 1,060.36 mi (1,706.48 km) |
| Langgons to Torre de Moncorvo | 991.91 mi (1,596.32 km) |
| Langgons to Torres Novas | 1,129.74 mi (1,818.14 km) |
| Langgons to Torres Vedras | 1,175.66 mi (1,892.05 km) |
