| Southborough to Senftenberg | 593.21 mi (954.68 km) |
| Southborough to Siegburg | 302.76 mi (487.24 km) |
| Southborough to Siegen | 337.28 mi (542.80 km) |
| Southborough to Sigmaringen | 453.01 mi (729.05 km) |
| Southborough to Simbach am Inn | 602.80 mi (970.12 km) |
| Southborough to Simmerath | 265.82 mi (427.80 km) |
| Southborough to Sindelfingen | 423.40 mi (681.40 km) |
| Southborough to Sinsheim | 403.02 mi (648.60 km) |
| Southborough to Sinzheim | 388.07 mi (624.53 km) |
| Southborough to Sinzig | 307.58 mi (495.00 km) |
| Southborough to Soest | 339.40 mi (546.22 km) |
| Southborough to Solingen | 295.31 mi (475.26 km) |
| Southborough to Soltau | 425.06 mi (684.07 km) |
| Southborough to Sommerda | 469.79 mi (756.05 km) |
| Southborough to Sondershausen | 458.18 mi (737.36 km) |
