| Northampton to Kluczbork | 822.14 mi (1,323.10 km) |
| Northampton to Knurow | 855.77 mi (1,377.22 km) |
| Northampton to Kobylka | 930.29 mi (1,497.16 km) |
| Northampton to Kokoszki | 811.23 mi (1,305.54 km) |
| Northampton to Kolbuszowa | 985.58 mi (1,586.13 km) |
| Northampton to Kolno | 952.52 mi (1,532.93 km) |
| Northampton to Kolo | 824.14 mi (1,326.33 km) |
| Northampton to Kolobrzeg | 693.06 mi (1,115.37 km) |
| Northampton to Koluszki | 878.10 mi (1,413.16 km) |
| Northampton to Komorniki | 742.42 mi (1,194.80 km) |
| Northampton to Konin | 808.61 mi (1,301.33 km) |
| Northampton to Konskie | 911.72 mi (1,467.28 km) |
| Northampton to Konstancin-Jeziorna | 929.46 mi (1,495.82 km) |
| Northampton to Konstantynow Lodzki | 858.45 mi (1,381.55 km) |
| Northampton to Koronowo | 788.21 mi (1,268.51 km) |
