| Flensburg to Seysses | 860.45 mi (1,384.76 km) |
| Flensburg to Sin-le-Noble | 404.31 mi (650.67 km) |
| Flensburg to Six-Fours-les-Plages | 823.32 mi (1,325.00 km) |
| Flensburg to Soissons | 454.15 mi (730.89 km) |
| Flensburg to Soisy-sous-Montmorency | 502.37 mi (808.48 km) |
| Flensburg to Sollies-Pont | 815.34 mi (1,312.16 km) |
| Flensburg to Somain | 400.06 mi (643.83 km) |
| Flensburg to Sorgues | 771.74 mi (1,242.00 km) |
| Flensburg to Sotteville-les-Rouen | 512.49 mi (824.77 km) |
| Flensburg to Soyaux | 750.82 mi (1,208.33 km) |
| Flensburg to Stains | 502.39 mi (808.52 km) |
| Flensburg to Stiring-Wendel | 400.09 mi (643.88 km) |
| Flensburg to Strasbourg | 434.33 mi (698.99 km) |
| Flensburg to Sucy-en-Brie | 509.30 mi (819.65 km) |
| Flensburg to Suresnes | 511.13 mi (822.58 km) |
