| Heum to Setubal | 1,650.37 mi (2,656.01 km) |
| Heum to Sever do Vouga | 1,500.37 mi (2,414.61 km) |
| Heum to Silves | 1,725.17 mi (2,776.40 km) |
| Heum to Sines | 1,685.66 mi (2,712.82 km) |
| Heum to Sintra | 1,644.32 mi (2,646.28 km) |
| Heum to Sobrado de Paiva | 1,479.46 mi (2,380.96 km) |
| Heum to Sobral de Monte Agraco | 1,625.24 mi (2,615.57 km) |
| Heum to Soure | 1,548.97 mi (2,492.82 km) |
| Heum to Tabua | 1,515.90 mi (2,439.61 km) |
| Heum to Tavira | 1,713.14 mi (2,757.03 km) |
| Heum to Tomar | 1,572.17 mi (2,530.17 km) |
| Heum to Tondela | 1,507.36 mi (2,425.87 km) |
| Heum to Torre de Moncorvo | 1,443.42 mi (2,322.95 km) |
| Heum to Torres Novas | 1,583.14 mi (2,547.82 km) |
| Heum to Torres Vedras | 1,623.78 mi (2,613.22 km) |
