| Irondale to Sesimbra | 4,217.58 mi (6,787.54 km) |
| Irondale to Setubal | 4,225.95 mi (6,801.00 km) |
| Irondale to Sever do Vouga | 4,196.99 mi (6,754.40 km) |
| Irondale to Silves | 4,283.55 mi (6,893.71 km) |
| Irondale to Sines | 4,241.95 mi (6,826.75 km) |
| Irondale to Sintra | 4,194.12 mi (6,749.78 km) |
| Irondale to Sobrado de Paiva | 4,194.57 mi (6,750.51 km) |
| Irondale to Sobral de Monte Agraco | 4,200.49 mi (6,760.03 km) |
| Irondale to Soure | 4,200.65 mi (6,760.29 km) |
| Irondale to Tabua | 4,222.73 mi (6,795.83 km) |
| Irondale to Tavira | 4,325.51 mi (6,961.24 km) |
| Irondale to Tomar | 4,222.56 mi (6,795.56 km) |
| Irondale to Tondela | 4,216.20 mi (6,785.32 km) |
| Irondale to Torre de Moncorvo | 4,245.61 mi (6,832.65 km) |
| Irondale to Torres Novas | 4,220.11 mi (6,791.62 km) |
