| Northampton to Kaneohe (Hawaii) | 7,161.54 mi (11,525.38 km) |
| Northampton to Kankakee (Illinois) | 3,941.07 mi (6,342.55 km) |
| Northampton to Kannapolis (North Carolina) | 3,924.56 mi (6,315.97 km) |
| Northampton to Kansas City (Kansas) | 4,295.40 mi (6,912.77 km) |
| Northampton to Kansas City (Missouri) | 4,288.33 mi (6,901.40 km) |
| Northampton to Kapaa (Hawaii) | 7,139.58 mi (11,490.04 km) |
| Northampton to Kapolei (Hawaii) | 7,170.37 mi (11,539.59 km) |
| Northampton to Katy (Texas) | 4,815.75 mi (7,750.20 km) |
| Northampton to Kaukauna (Wisconsin) | 3,807.85 mi (6,128.14 km) |
| Northampton to Kaysville (Utah) | 4,790.47 mi (7,709.51 km) |
| Northampton to Kearney (Missouri) | 4,269.61 mi (6,871.28 km) |
| Northampton to Kearney (Nebraska) | 4,373.52 mi (7,038.50 km) |
| Northampton to Kearns (Utah) | 4,813.15 mi (7,746.02 km) |
| Northampton to Kearny (New Jersey) | 3,417.64 mi (5,500.17 km) |
| Northampton to Keene (New Hampshire) | 3,249.84 mi (5,230.11 km) |
