| Northampton to Koscian | 741.91 mi (1,193.99 km) |
| Northampton to Koscielisko | 927.24 mi (1,492.25 km) |
| Northampton to Koscierzyna | 790.10 mi (1,271.55 km) |
| Northampton to Kostrzyn | 763.31 mi (1,228.43 km) |
| Northampton to Kostrzyn nad Odra | 655.04 mi (1,054.18 km) |
| Northampton to Koszalin | 717.66 mi (1,154.97 km) |
| Northampton to Kowary | 724.46 mi (1,165.90 km) |
| Northampton to Kozienice | 954.62 mi (1,536.31 km) |
| Northampton to Kozuchow | 701.03 mi (1,128.21 km) |
| Northampton to Kozy | 882.83 mi (1,420.77 km) |
| Northampton to Krakow | 911.98 mi (1,467.70 km) |
| Northampton to Krapkowice | 820.58 mi (1,320.60 km) |
| Northampton to Krasnik | 992.30 mi (1,596.95 km) |
| Northampton to Krasnystaw | 1,031.96 mi (1,660.77 km) |
| Northampton to Krosno | 996.83 mi (1,604.24 km) |
