| Boulogne-sur-Mer to Konigs Wusterhausen | 527.02 mi (848.16 km) |
| Boulogne-sur-Mer to Konigsbach-Stein | 334.34 mi (538.07 km) |
| Boulogne-sur-Mer to Konigsbrunn | 449.17 mi (722.86 km) |
| Boulogne-sur-Mer to Konigslutter am Elm | 409.34 mi (658.76 km) |
| Boulogne-sur-Mer to Konigstein im Taunus | 303.64 mi (488.66 km) |
| Boulogne-sur-Mer to Konigswinter | 244.16 mi (392.94 km) |
| Boulogne-sur-Mer to Konstanz | 401.53 mi (646.21 km) |
| Boulogne-sur-Mer to Konz | 230.80 mi (371.43 km) |
| Boulogne-sur-Mer to Korb | 369.08 mi (593.98 km) |
| Boulogne-sur-Mer to Korbach | 317.50 mi (510.97 km) |
| Boulogne-sur-Mer to Korntal-Munchingen | 359.42 mi (578.43 km) |
| Boulogne-sur-Mer to Kornwestheim | 361.25 mi (581.38 km) |
| Boulogne-sur-Mer to Korschenbroich | 215.64 mi (347.03 km) |
| Boulogne-sur-Mer to Kosching | 460.02 mi (740.32 km) |
| Boulogne-sur-Mer to Kothen | 450.83 mi (725.54 km) |
