| Romanshorn to Kirchlengern | 321.96 mi (518.15 km) |
| Romanshorn to Kirchlinteln | 371.68 mi (598.16 km) |
| Romanshorn to Kirchseeon | 122.53 mi (197.19 km) |
| Romanshorn to Kirchzarten | 71.01 mi (114.28 km) |
| Romanshorn to Kirkel | 153.60 mi (247.19 km) |
| Romanshorn to Kissing | 90.89 mi (146.28 km) |
| Romanshorn to Kisslegg | 29.12 mi (46.86 km) |
| Romanshorn to Kitzingen | 154.41 mi (248.50 km) |
| Romanshorn to Kleinblittersdorf | 153.18 mi (246.52 km) |
| Romanshorn to Kleve | 325.43 mi (523.73 km) |
| Romanshorn to Klipphausen | 307.35 mi (494.62 km) |
| Romanshorn to Klotze | 358.81 mi (577.45 km) |
| Romanshorn to Koblenz | 209.01 mi (336.36 km) |
| Romanshorn to Kolbermoor | 127.55 mi (205.28 km) |
| Romanshorn to Kolkwitz | 362.43 mi (583.27 km) |
