| Flensburg to Stockach | 479.20 mi (771.20 km) |
| Flensburg to Stockelsdorf | 79.02 mi (127.17 km) |
| Flensburg to Stolberg | 307.97 mi (495.63 km) |
| Flensburg to Stollberg | 314.16 mi (505.60 km) |
| Flensburg to Straelen | 265.04 mi (426.54 km) |
| Flensburg to Stralsund | 149.68 mi (240.89 km) |
| Flensburg to Straubing | 428.79 mi (690.08 km) |
| Flensburg to Strausberg | 236.96 mi (381.34 km) |
| Flensburg to Stuhr | 125.12 mi (201.37 km) |
| Flensburg to Stuttgart | 415.01 mi (667.89 km) |
| Flensburg to Sudlohn | 222.87 mi (358.68 km) |
| Flensburg to Suhl | 292.96 mi (471.47 km) |
| Flensburg to Sulingen | 148.44 mi (238.90 km) |
| Flensburg to Sulz am Neckar | 444.85 mi (715.92 km) |
| Flensburg to Sulzbach | 323.46 mi (520.56 km) |
