| Round Rock to Kelkheim (Taunus) | 5,272.56 mi (8,485.36 km) |
| Round Rock to Kelsterbach | 5,278.38 mi (8,494.74 km) |
| Round Rock to Kemberg | 5,363.71 mi (8,632.06 km) |
| Round Rock to Kempen | 5,152.90 mi (8,292.79 km) |
| Round Rock to Kempten | 5,433.21 mi (8,743.91 km) |
| Round Rock to Kenzingen | 5,316.71 mi (8,556.43 km) |
| Round Rock to Kerpen | 5,180.39 mi (8,337.03 km) |
| Round Rock to Ketsch | 5,303.78 mi (8,535.60 km) |
| Round Rock to Kevelaer | 5,139.10 mi (8,270.58 km) |
| Round Rock to Kiel | 5,181.21 mi (8,338.35 km) |
| Round Rock to Kierspe | 5,203.84 mi (8,374.76 km) |
| Round Rock to Kirchhain | 5,265.39 mi (8,473.82 km) |
| Round Rock to Kirchheim bei Munchen | 5,471.55 mi (8,805.61 km) |
| Round Rock to Kirchheim unter Teck | 5,365.38 mi (8,634.74 km) |
| Round Rock to Kirchhundem | 5,224.23 mi (8,407.59 km) |
