| Flensburg to Kirchlinteln | 127.16 mi (204.65 km) |
| Flensburg to Kirchseeon | 475.31 mi (764.94 km) |
| Flensburg to Kirchzarten | 475.20 mi (764.76 km) |
| Flensburg to Kirkel | 391.24 mi (629.64 km) |
| Flensburg to Kissing | 452.73 mi (728.60 km) |
| Flensburg to Kisslegg | 483.48 mi (778.08 km) |
| Flensburg to Kitzingen | 350.18 mi (563.56 km) |
| Flensburg to Kleinblittersdorf | 401.68 mi (646.44 km) |
| Flensburg to Kleve | 247.48 mi (398.28 km) |
| Flensburg to Klipphausen | 307.15 mi (494.31 km) |
| Flensburg to Klotze | 164.79 mi (265.20 km) |
| Flensburg to Koblenz | 315.12 mi (507.14 km) |
| Flensburg to Kolbermoor | 492.14 mi (792.02 km) |
| Flensburg to Kolkwitz | 288.64 mi (464.53 km) |
| Flensburg to Kongen | 421.48 mi (678.31 km) |
