| Boulogne-sur-Mer to Bad Salzungen | 376.45 mi (605.83 km) |
| Boulogne-sur-Mer to Bad Sassendorf | 289.94 mi (466.61 km) |
| Boulogne-sur-Mer to Bad Schussenried | 407.50 mi (655.81 km) |
| Boulogne-sur-Mer to Bad Schwalbach | 286.82 mi (461.60 km) |
| Boulogne-sur-Mer to Bad Schwartau | 442.01 mi (711.35 km) |
| Boulogne-sur-Mer to Bad Segeberg | 428.10 mi (688.97 km) |
| Boulogne-sur-Mer to Bad Soden am Taunus | 305.69 mi (491.97 km) |
| Boulogne-sur-Mer to Bad Soden-Salmunster | 342.03 mi (550.45 km) |
| Boulogne-sur-Mer to Bad Sooden-Allendorf | 365.67 mi (588.49 km) |
| Boulogne-sur-Mer to Bad Tolz | 492.54 mi (792.67 km) |
| Boulogne-sur-Mer to Bad Urach | 380.89 mi (612.98 km) |
| Boulogne-sur-Mer to Bad Vilbel | 315.45 mi (507.67 km) |
| Boulogne-sur-Mer to Bad Waldsee | 414.23 mi (666.64 km) |
| Boulogne-sur-Mer to Bad Wildbad | 338.30 mi (544.44 km) |
| Boulogne-sur-Mer to Bad Wildungen | 327.72 mi (527.41 km) |
