| Sint-Pieters-Leeuw to Siegburg | 129.03 mi (207.66 km) |
| Sint-Pieters-Leeuw to Siegen | 164.50 mi (264.73 km) |
| Sint-Pieters-Leeuw to Sigmaringen | 290.59 mi (467.67 km) |
| Sint-Pieters-Leeuw to Simbach am Inn | 429.56 mi (691.32 km) |
| Sint-Pieters-Leeuw to Simmerath | 90.60 mi (145.81 km) |
| Sint-Pieters-Leeuw to Sindelfingen | 255.81 mi (411.68 km) |
| Sint-Pieters-Leeuw to Sinsheim | 231.32 mi (372.28 km) |
| Sint-Pieters-Leeuw to Sinzheim | 223.68 mi (359.97 km) |
| Sint-Pieters-Leeuw to Sinzig | 132.49 mi (213.21 km) |
| Sint-Pieters-Leeuw to Soest | 175.78 mi (282.89 km) |
| Sint-Pieters-Leeuw to Solingen | 126.07 mi (202.89 km) |
| Sint-Pieters-Leeuw to Soltau | 282.38 mi (454.45 km) |
| Sint-Pieters-Leeuw to Sommerda | 299.79 mi (482.47 km) |
| Sint-Pieters-Leeuw to Sondershausen | 289.95 mi (466.63 km) |
| Sint-Pieters-Leeuw to Sonneberg | 304.91 mi (490.71 km) |
