| Hackettstown to Kavak | 5,313.14 mi (8,550.67 km) |
| Hackettstown to Kayapinar | 5,622.59 mi (9,048.69 km) |
| Hackettstown to Kayseri | 5,403.75 mi (8,696.50 km) |
| Hackettstown to Kemalpasa | 5,091.13 mi (8,193.38 km) |
| Hackettstown to Kemer | 5,303.71 mi (8,535.49 km) |
| Hackettstown to Keskin | 5,285.58 mi (8,506.33 km) |
| Hackettstown to Kilimli | 5,132.57 mi (8,260.08 km) |
| Hackettstown to Kilis | 5,564.15 mi (8,954.63 km) |
| Hackettstown to Kinik | 5,060.19 mi (8,143.59 km) |
| Hackettstown to Kirikkale | 5,273.82 mi (8,487.39 km) |
| Hackettstown to Kirkagac | 5,071.88 mi (8,162.40 km) |
| Hackettstown to Kirklareli | 4,938.93 mi (7,948.45 km) |
| Hackettstown to Kirsehir | 5,331.76 mi (8,580.64 km) |
| Hackettstown to Kizilpinar | 4,989.10 mi (8,029.18 km) |
| Hackettstown to Kiziltepe | 5,674.83 mi (9,132.76 km) |
