| Boulogne-sur-Mer to Kirchlinteln | 362.56 mi (583.49 km) |
| Boulogne-sur-Mer to Kirchseeon | 496.37 mi (798.84 km) |
| Boulogne-sur-Mer to Kirchzarten | 342.86 mi (551.78 km) |
| Boulogne-sur-Mer to Kirkel | 268.61 mi (432.28 km) |
| Boulogne-sur-Mer to Kissing | 452.08 mi (727.55 km) |
| Boulogne-sur-Mer to Kisslegg | 424.18 mi (682.65 km) |
| Boulogne-sur-Mer to Kitzingen | 383.94 mi (617.90 km) |
| Boulogne-sur-Mer to Kleinblittersdorf | 264.29 mi (425.34 km) |
| Boulogne-sur-Mer to Kleve | 208.97 mi (336.31 km) |
| Boulogne-sur-Mer to Klipphausen | 519.32 mi (835.77 km) |
| Boulogne-sur-Mer to Klotze | 429.20 mi (690.74 km) |
| Boulogne-sur-Mer to Koblenz | 263.86 mi (424.63 km) |
| Boulogne-sur-Mer to Kolbermoor | 510.67 mi (821.84 km) |
| Boulogne-sur-Mer to Kolkwitz | 550.24 mi (885.53 km) |
| Boulogne-sur-Mer to Kongen | 373.86 mi (601.68 km) |
