| Oud-Heverlee to Setubal | 1,076.71 mi (1,732.80 km) |
| Oud-Heverlee to Sever do Vouga | 936.07 mi (1,506.46 km) |
| Oud-Heverlee to Silves | 1,142.20 mi (1,838.19 km) |
| Oud-Heverlee to Sines | 1,108.94 mi (1,784.66 km) |
| Oud-Heverlee to Sintra | 1,076.01 mi (1,731.66 km) |
| Oud-Heverlee to Sobrado de Paiva | 916.48 mi (1,474.93 km) |
| Oud-Heverlee to Sobral de Monte Agraco | 1,056.34 mi (1,700.01 km) |
| Oud-Heverlee to Soure | 982.26 mi (1,580.80 km) |
| Oud-Heverlee to Tabua | 946.16 mi (1,522.70 km) |
| Oud-Heverlee to Tavira | 1,125.04 mi (1,810.58 km) |
| Oud-Heverlee to Tomar | 1,000.87 mi (1,610.75 km) |
| Oud-Heverlee to Tondela | 939.11 mi (1,511.35 km) |
| Oud-Heverlee to Torre de Moncorvo | 871.67 mi (1,402.81 km) |
| Oud-Heverlee to Torres Novas | 1,011.98 mi (1,628.62 km) |
| Oud-Heverlee to Torres Vedras | 1,056.18 mi (1,699.76 km) |
