| Illingen to Setubal | 1,087.30 mi (1,749.84 km) |
| Illingen to Sever do Vouga | 957.61 mi (1,541.12 km) |
| Illingen to Silves | 1,142.95 mi (1,839.40 km) |
| Illingen to Sines | 1,116.19 mi (1,796.33 km) |
| Illingen to Sintra | 1,091.04 mi (1,755.87 km) |
| Illingen to Sobrado de Paiva | 939.58 mi (1,512.10 km) |
| Illingen to Sobral de Monte Agraco | 1,071.32 mi (1,724.12 km) |
| Illingen to Soure | 1,000.70 mi (1,610.48 km) |
| Illingen to Tabua | 963.04 mi (1,549.86 km) |
| Illingen to Tavira | 1,120.70 mi (1,803.60 km) |
| Illingen to Tomar | 1,015.10 mi (1,633.65 km) |
| Illingen to Tondela | 957.40 mi (1,540.79 km) |
| Illingen to Torre de Moncorvo | 888.90 mi (1,430.55 km) |
| Illingen to Torres Novas | 1,026.07 mi (1,651.30 km) |
| Illingen to Torres Vedras | 1,072.21 mi (1,725.56 km) |
