| Giessen to Setubal | 1,194.97 mi (1,923.11 km) |
| Giessen to Sever do Vouga | 1,063.17 mi (1,711.01 km) |
| Giessen to Silves | 1,251.89 mi (2,014.72 km) |
| Giessen to Sines | 1,224.35 mi (1,970.40 km) |
| Giessen to Sintra | 1,198.02 mi (1,928.03 km) |
| Giessen to Sobrado de Paiva | 1,044.79 mi (1,681.43 km) |
| Giessen to Sobral de Monte Agraco | 1,178.28 mi (1,896.25 km) |
| Giessen to Soure | 1,106.95 mi (1,781.46 km) |
| Giessen to Tabua | 1,069.50 mi (1,721.20 km) |
| Giessen to Tavira | 1,230.07 mi (1,979.61 km) |
| Giessen to Tomar | 1,122.11 mi (1,805.85 km) |
| Giessen to Tondela | 1,063.60 mi (1,711.70 km) |
| Giessen to Torre de Moncorvo | 995.16 mi (1,601.56 km) |
| Giessen to Torres Novas | 1,133.11 mi (1,823.57 km) |
| Giessen to Torres Vedras | 1,178.99 mi (1,897.41 km) |
