| Martinsicuro to Setubal | 1,227.92 mi (1,976.15 km) |
| Martinsicuro to Sever do Vouga | 1,153.75 mi (1,856.78 km) |
| Martinsicuro to Silves | 1,242.00 mi (1,998.80 km) |
| Martinsicuro to Sines | 1,241.43 mi (1,997.89 km) |
| Martinsicuro to Sintra | 1,246.08 mi (2,005.37 km) |
| Martinsicuro to Sobrado de Paiva | 1,143.57 mi (1,840.40 km) |
| Martinsicuro to Sobral de Monte Agraco | 1,228.93 mi (1,977.77 km) |
| Martinsicuro to Soure | 1,180.14 mi (1,899.24 km) |
| Martinsicuro to Tabua | 1,143.49 mi (1,840.27 km) |
| Martinsicuro to Tavira | 1,204.96 mi (1,939.20 km) |
| Martinsicuro to Tomar | 1,178.60 mi (1,896.77 km) |
| Martinsicuro to Tondela | 1,143.30 mi (1,839.97 km) |
| Martinsicuro to Torre de Moncorvo | 1,083.52 mi (1,743.75 km) |
| Martinsicuro to Torres Novas | 1,187.42 mi (1,910.96 km) |
| Martinsicuro to Torres Vedras | 1,233.18 mi (1,984.62 km) |
