| Hackettstown to Kelkheim (Taunus) | 3,870.75 mi (6,229.37 km) |
| Hackettstown to Kelsterbach | 3,876.25 mi (6,238.22 km) |
| Hackettstown to Kemberg | 3,985.14 mi (6,413.46 km) |
| Hackettstown to Kempen | 3,755.11 mi (6,043.27 km) |
| Hackettstown to Kempten | 4,020.32 mi (6,470.07 km) |
| Hackettstown to Kenzingen | 3,900.75 mi (6,277.65 km) |
| Hackettstown to Kerpen | 3,779.64 mi (6,082.75 km) |
| Hackettstown to Ketsch | 3,896.95 mi (6,271.53 km) |
| Hackettstown to Kevelaer | 3,742.54 mi (6,023.04 km) |
| Hackettstown to Kiel | 3,817.00 mi (6,142.87 km) |
| Hackettstown to Kierspe | 3,807.02 mi (6,126.81 km) |
| Hackettstown to Kirchhain | 3,869.54 mi (6,227.43 km) |
| Hackettstown to Kirchheim bei Munchen | 4,064.94 mi (6,541.89 km) |
| Hackettstown to Kirchheim unter Teck | 3,956.08 mi (6,366.69 km) |
| Hackettstown to Kirchhundem | 3,828.42 mi (6,161.24 km) |
