| Hillsborough to Jozefow | 4,304.18 mi (6,926.91 km) |
| Hillsborough to Kalisz | 4,201.54 mi (6,761.73 km) |
| Hillsborough to Kamien Pomorski | 4,008.07 mi (6,450.36 km) |
| Hillsborough to Kamienna Gora | 4,157.08 mi (6,690.18 km) |
| Hillsborough to Karczew | 4,306.59 mi (6,930.78 km) |
| Hillsborough to Kartuzy | 4,119.77 mi (6,630.12 km) |
| Hillsborough to Katowice | 4,288.53 mi (6,901.72 km) |
| Hillsborough to Kedzierzyn-Kozle | 4,254.57 mi (6,847.07 km) |
| Hillsborough to Kepno | 4,214.13 mi (6,781.98 km) |
| Hillsborough to Ketrzyn | 4,240.28 mi (6,824.07 km) |
| Hillsborough to Kety | 4,309.17 mi (6,934.93 km) |
| Hillsborough to Kielce | 4,327.51 mi (6,964.46 km) |
| Hillsborough to Kielczow | 4,188.66 mi (6,741.00 km) |
| Hillsborough to Klobuck | 4,262.49 mi (6,859.82 km) |
| Hillsborough to Klodzko | 4,192.47 mi (6,747.12 km) |
