| Heerlen to Setubal | 1,119.47 mi (1,801.61 km) |
| Heerlen to Sever do Vouga | 981.31 mi (1,579.26 km) |
| Heerlen to Silves | 1,182.41 mi (1,902.91 km) |
| Heerlen to Sines | 1,150.87 mi (1,852.14 km) |
| Heerlen to Sintra | 1,119.90 mi (1,802.31 km) |
| Heerlen to Sobrado de Paiva | 962.06 mi (1,548.28 km) |
| Heerlen to Sobral de Monte Agraco | 1,100.19 mi (1,770.58 km) |
| Heerlen to Soure | 1,026.84 mi (1,652.53 km) |
| Heerlen to Tabua | 990.27 mi (1,593.68 km) |
| Heerlen to Tavira | 1,163.79 mi (1,872.94 km) |
| Heerlen to Tomar | 1,044.42 mi (1,680.83 km) |
| Heerlen to Tondela | 983.56 mi (1,582.88 km) |
| Heerlen to Torre de Moncorvo | 915.69 mi (1,473.65 km) |
| Heerlen to Torres Novas | 1,055.52 mi (1,698.69 km) |
| Heerlen to Torres Vedras | 1,100.29 mi (1,770.75 km) |
