| Boulogne-sur-Mer to Sonsbeck | 215.10 mi (346.16 km) |
| Boulogne-sur-Mer to Sonthofen | 449.91 mi (724.05 km) |
| Boulogne-sur-Mer to Spaichingen | 368.71 mi (593.38 km) |
| Boulogne-sur-Mer to Spelle | 275.70 mi (443.70 km) |
| Boulogne-sur-Mer to Spenge | 311.30 mi (500.99 km) |
| Boulogne-sur-Mer to Speyer | 317.68 mi (511.26 km) |
| Boulogne-sur-Mer to Spiesen-Elversberg | 263.55 mi (424.14 km) |
| Boulogne-sur-Mer to Spremberg | 555.60 mi (894.16 km) |
| Boulogne-sur-Mer to Springe | 356.50 mi (573.72 km) |
| Boulogne-sur-Mer to Sprockhovel | 248.69 mi (400.22 km) |
| Boulogne-sur-Mer to Stade | 387.58 mi (623.74 km) |
| Boulogne-sur-Mer to Stadtallendorf | 323.33 mi (520.34 km) |
| Boulogne-sur-Mer to Stadthagen | 344.35 mi (554.18 km) |
| Boulogne-sur-Mer to Stadtlohn | 244.77 mi (393.91 km) |
| Boulogne-sur-Mer to Stahnsdorf | 510.88 mi (822.18 km) |
