| Northampton to Jozefow | 933.79 mi (1,502.79 km) |
| Northampton to Kalisz | 805.57 mi (1,296.44 km) |
| Northampton to Kamien Pomorski | 659.50 mi (1,061.37 km) |
| Northampton to Kamienna Gora | 733.07 mi (1,179.75 km) |
| Northampton to Karczew | 935.05 mi (1,504.81 km) |
| Northampton to Kartuzy | 799.43 mi (1,286.56 km) |
| Northampton to Katowice | 868.87 mi (1,398.32 km) |
| Northampton to Kedzierzyn-Kozle | 832.69 mi (1,340.08 km) |
| Northampton to Kepno | 807.69 mi (1,299.85 km) |
| Northampton to Ketrzyn | 927.82 mi (1,493.19 km) |
| Northampton to Kety | 884.92 mi (1,424.15 km) |
| Northampton to Kielce | 926.13 mi (1,490.46 km) |
| Northampton to Kielczow | 775.76 mi (1,248.46 km) |
| Northampton to Klobuck | 853.53 mi (1,373.63 km) |
| Northampton to Klodzko | 765.52 mi (1,231.98 km) |
