| Idaho Falls to Kirchlengern | 4,941.64 mi (7,952.80 km) |
| Idaho Falls to Kirchlinteln | 4,921.79 mi (7,920.85 km) |
| Idaho Falls to Kirchseeon | 5,252.94 mi (8,453.78 km) |
| Idaho Falls to Kirchzarten | 5,142.82 mi (8,276.57 km) |
| Idaho Falls to Kirkel | 5,052.73 mi (8,131.58 km) |
| Idaho Falls to Kissing | 5,214.72 mi (8,392.29 km) |
| Idaho Falls to Kisslegg | 5,209.91 mi (8,384.54 km) |
| Idaho Falls to Kitzingen | 5,114.66 mi (8,231.25 km) |
| Idaho Falls to Kleinblittersdorf | 5,053.37 mi (8,132.61 km) |
| Idaho Falls to Kleve | 4,891.91 mi (7,872.77 km) |
| Idaho Falls to Klipphausen | 5,134.72 mi (8,263.53 km) |
| Idaho Falls to Klotze | 4,988.24 mi (8,027.80 km) |
| Idaho Falls to Koblenz | 5,007.69 mi (8,059.09 km) |
| Idaho Falls to Kolbermoor | 5,270.21 mi (8,481.59 km) |
| Idaho Falls to Kolkwitz | 5,117.00 mi (8,235.02 km) |
