| Wellingborough to Jozefow | 924.90 mi (1,488.48 km) |
| Wellingborough to Kalisz | 796.87 mi (1,282.44 km) |
| Wellingborough to Kamien Pomorski | 650.25 mi (1,046.48 km) |
| Wellingborough to Kamienna Gora | 724.83 mi (1,166.49 km) |
| Wellingborough to Karczew | 926.17 mi (1,490.52 km) |
| Wellingborough to Kartuzy | 790.14 mi (1,271.61 km) |
| Wellingborough to Katowice | 860.63 mi (1,385.05 km) |
| Wellingborough to Kedzierzyn-Kozle | 824.47 mi (1,326.85 km) |
| Wellingborough to Kepno | 799.15 mi (1,286.11 km) |
| Wellingborough to Ketrzyn | 918.57 mi (1,478.30 km) |
| Wellingborough to Kety | 876.79 mi (1,411.06 km) |
| Wellingborough to Kielce | 917.59 mi (1,476.73 km) |
| Wellingborough to Kielczow | 767.31 mi (1,234.86 km) |
| Wellingborough to Klobuck | 845.07 mi (1,360.01 km) |
| Wellingborough to Klodzko | 757.38 mi (1,218.89 km) |
