| Portimao to Senftenberg | 1,482.17 mi (2,385.32 km) |
| Portimao to Siegburg | 1,221.19 mi (1,965.31 km) |
| Portimao to Siegen | 1,250.69 mi (2,012.79 km) |
| Portimao to Sigmaringen | 1,172.89 mi (1,887.58 km) |
| Portimao to Simbach am Inn | 1,330.15 mi (2,140.67 km) |
| Portimao to Simmerath | 1,183.46 mi (1,904.60 km) |
| Portimao to Sindelfingen | 1,189.47 mi (1,914.26 km) |
| Portimao to Sinsheim | 1,207.19 mi (1,942.79 km) |
| Portimao to Sinzheim | 1,160.91 mi (1,868.30 km) |
| Portimao to Sinzig | 1,210.34 mi (1,947.85 km) |
| Portimao to Soest | 1,286.40 mi (2,070.27 km) |
| Portimao to Solingen | 1,235.35 mi (1,988.11 km) |
| Portimao to Soltau | 1,406.62 mi (2,263.74 km) |
| Portimao to Sommerda | 1,365.94 mi (2,198.26 km) |
| Portimao to Sondershausen | 1,366.14 mi (2,198.58 km) |
