| Round Rock to Kirchlengern | 5,205.01 mi (8,376.65 km) |
| Round Rock to Kirchlinteln | 5,202.79 mi (8,373.08 km) |
| Round Rock to Kirchseeon | 5,480.55 mi (8,820.10 km) |
| Round Rock to Kirchzarten | 5,332.01 mi (8,581.04 km) |
| Round Rock to Kirkel | 5,256.75 mi (8,459.93 km) |
| Round Rock to Kissing | 5,437.31 mi (8,750.50 km) |
| Round Rock to Kisslegg | 5,414.26 mi (8,713.40 km) |
| Round Rock to Kitzingen | 5,352.05 mi (8,613.30 km) |
| Round Rock to Kleinblittersdorf | 5,253.63 mi (8,454.90 km) |
| Round Rock to Kleve | 5,127.93 mi (8,252.61 km) |
| Round Rock to Klipphausen | 5,423.08 mi (8,727.60 km) |
| Round Rock to Klotze | 5,279.58 mi (8,496.66 km) |
| Round Rock to Koblenz | 5,232.43 mi (8,420.78 km) |
| Round Rock to Kolbermoor | 5,496.15 mi (8,845.21 km) |
| Round Rock to Kolkwitz | 5,421.67 mi (8,725.34 km) |
