| Heiloo to Setubal | 1,170.13 mi (1,883.13 km) |
| Heiloo to Sever do Vouga | 1,024.78 mi (1,649.22 km) |
| Heiloo to Silves | 1,240.10 mi (1,995.75 km) |
| Heiloo to Sines | 1,203.84 mi (1,937.39 km) |
| Heiloo to Sintra | 1,167.05 mi (1,878.19 km) |
| Heiloo to Sobrado de Paiva | 1,004.51 mi (1,616.61 km) |
| Heiloo to Sobral de Monte Agraco | 1,147.57 mi (1,846.83 km) |
| Heiloo to Soure | 1,072.24 mi (1,725.60 km) |
| Heiloo to Tabua | 1,037.33 mi (1,669.43 km) |
| Heiloo to Tavira | 1,225.44 mi (1,972.15 km) |
| Heiloo to Tomar | 1,092.97 mi (1,758.96 km) |
| Heiloo to Tondela | 1,029.59 mi (1,656.96 km) |
| Heiloo to Torre de Moncorvo | 963.43 mi (1,550.50 km) |
| Heiloo to Torres Novas | 1,104.05 mi (1,776.80 km) |
| Heiloo to Torres Vedras | 1,146.84 mi (1,845.66 km) |
