| Iernut to Sesimbra | 1,772.05 mi (2,851.83 km) |
| Iernut to Setubal | 1,759.55 mi (2,831.73 km) |
| Iernut to Sever do Vouga | 1,665.74 mi (2,680.76 km) |
| Iernut to Silves | 1,784.55 mi (2,871.95 km) |
| Iernut to Sines | 1,777.54 mi (2,860.68 km) |
| Iernut to Sintra | 1,773.95 mi (2,854.89 km) |
| Iernut to Sobrado de Paiva | 1,652.43 mi (2,659.34 km) |
| Iernut to Sobral de Monte Agraco | 1,755.62 mi (2,825.39 km) |
| Iernut to Soure | 1,698.63 mi (2,733.69 km) |
| Iernut to Tabua | 1,660.61 mi (2,672.49 km) |
| Iernut to Tavira | 1,750.07 mi (2,816.46 km) |
| Iernut to Tomar | 1,702.20 mi (2,739.43 km) |
| Iernut to Tondela | 1,658.57 mi (2,669.20 km) |
| Iernut to Torre de Moncorvo | 1,593.83 mi (2,565.03 km) |
| Iernut to Torres Novas | 1,711.92 mi (2,755.08 km) |
