| Boulogne-sur-Mer to Salzhemmendorf | 355.58 mi (572.25 km) |
| Boulogne-sur-Mer to Salzkotten | 309.46 mi (498.03 km) |
| Boulogne-sur-Mer to Salzwedel | 432.74 mi (696.42 km) |
| Boulogne-sur-Mer to Sande | 332.22 mi (534.65 km) |
| Boulogne-sur-Mer to Sandhausen | 326.71 mi (525.78 km) |
| Boulogne-sur-Mer to Sangerhausen | 423.04 mi (680.82 km) |
| Boulogne-sur-Mer to Sankt Augustin | 243.55 mi (391.96 km) |
| Boulogne-sur-Mer to Sankt Georgen im Schwarzwald | 351.10 mi (565.05 km) |
| Boulogne-sur-Mer to Sankt Ingbert | 263.34 mi (423.80 km) |
| Boulogne-sur-Mer to Sankt Leon-Rot | 326.06 mi (524.75 km) |
| Boulogne-sur-Mer to Sankt Wendel | 260.94 mi (419.95 km) |
| Boulogne-sur-Mer to Sarstedt | 369.65 mi (594.89 km) |
| Boulogne-sur-Mer to Sassenberg | 290.56 mi (467.61 km) |
| Boulogne-sur-Mer to Sassenburg | 405.84 mi (653.14 km) |
| Boulogne-sur-Mer to Sassnitz | 567.35 mi (913.05 km) |
