| Piqua to Kirchlengern | 4,209.41 mi (6,774.39 km) |
| Piqua to Kirchlinteln | 4,209.52 mi (6,774.57 km) |
| Piqua to Kirchseeon | 4,479.83 mi (7,209.58 km) |
| Piqua to Kirchzarten | 4,329.10 mi (6,967.01 km) |
| Piqua to Kirkel | 4,255.06 mi (6,847.85 km) |
| Piqua to Kissing | 4,436.34 mi (7,139.60 km) |
| Piqua to Kisslegg | 4,412.04 mi (7,100.49 km) |
| Piqua to Kitzingen | 4,352.77 mi (7,005.10 km) |
| Piqua to Kleinblittersdorf | 4,251.68 mi (6,842.41 km) |
| Piqua to Kleve | 4,129.67 mi (6,646.06 km) |
| Piqua to Klipphausen | 4,429.26 mi (7,128.21 km) |
| Piqua to Klotze | 4,287.21 mi (6,899.59 km) |
| Piqua to Koblenz | 4,232.53 mi (6,811.60 km) |
| Piqua to Kolbermoor | 4,495.23 mi (7,234.37 km) |
| Piqua to Kolkwitz | 4,430.18 mi (7,129.68 km) |
