| Largo to Sesimbra | 4,211.10 mi (6,777.11 km) |
| Largo to Setubal | 4,220.60 mi (6,792.40 km) |
| Largo to Sever do Vouga | 4,211.77 mi (6,778.19 km) |
| Largo to Silves | 4,267.81 mi (6,868.38 km) |
| Largo to Sines | 4,231.78 mi (6,810.40 km) |
| Largo to Sintra | 4,190.08 mi (6,743.28 km) |
| Largo to Sobrado de Paiva | 4,212.14 mi (6,778.78 km) |
| Largo to Sobral de Monte Agraco | 4,198.84 mi (6,757.38 km) |
| Largo to Soure | 4,208.99 mi (6,773.71 km) |
| Largo to Tabua | 4,234.98 mi (6,815.53 km) |
| Largo to Tavira | 4,311.00 mi (6,937.89 km) |
| Largo to Tomar | 4,227.47 mi (6,803.46 km) |
| Largo to Tondela | 4,229.68 mi (6,807.01 km) |
| Largo to Torre de Moncorvo | 4,266.87 mi (6,866.87 km) |
| Largo to Torres Novas | 4,223.63 mi (6,797.28 km) |
