| Hackettstown to Keizer (Oregon) | 2,419.00 mi (3,893.00 km) |
| Hackettstown to Keller (Texas) | 1,348.28 mi (2,169.85 km) |
| Hackettstown to Kelso (Washington) | 2,399.43 mi (3,861.51 km) |
| Hackettstown to Kemp Mill (Maryland) | 170.91 mi (275.06 km) |
| Hackettstown to Ken Caryl (Colorado) | 1,592.53 mi (2,562.94 km) |
| Hackettstown to Kendale Lakes (Florida) | 1,094.38 mi (1,761.23 km) |
| Hackettstown to Kendall (Florida) | 1,096.06 mi (1,763.94 km) |
| Hackettstown to Kendall Park (New Jersey) | 33.41 mi (53.76 km) |
| Hackettstown to Kendall West (Florida) | 1,095.01 mi (1,762.24 km) |
| Hackettstown to Kenmore (New York) | 254.00 mi (408.77 km) |
| Hackettstown to Kenmore (Washington) | 2,354.48 mi (3,789.18 km) |
| Hackettstown to Kenner (Louisiana) | 1,143.92 mi (1,840.96 km) |
| Hackettstown to Kennesaw (Georgia) | 714.09 mi (1,149.22 km) |
| Hackettstown to Kennett (Missouri) | 880.71 mi (1,417.36 km) |
| Hackettstown to Kennewick (Washington) | 2,222.50 mi (3,576.77 km) |
