| Hillsborough to Kluczbork | 4,233.22 mi (6,812.72 km) |
| Hillsborough to Knurow | 4,277.63 mi (6,884.18 km) |
| Hillsborough to Kobylka | 4,295.81 mi (6,913.43 km) |
| Hillsborough to Kokoszki | 4,129.41 mi (6,645.64 km) |
| Hillsborough to Kolbuszowa | 4,392.55 mi (7,069.13 km) |
| Hillsborough to Kolno | 4,283.43 mi (6,893.51 km) |
| Hillsborough to Kolo | 4,206.91 mi (6,770.36 km) |
| Hillsborough to Kolobrzeg | 4,030.87 mi (6,487.05 km) |
| Hillsborough to Koluszki | 4,265.46 mi (6,864.60 km) |
| Hillsborough to Komorniki | 4,133.16 mi (6,651.68 km) |
| Hillsborough to Konin | 4,192.84 mi (6,747.72 km) |
| Hillsborough to Konskie | 4,307.76 mi (6,932.67 km) |
| Hillsborough to Konstancin-Jeziorna | 4,301.75 mi (6,923.00 km) |
| Hillsborough to Konstantynow Lodzki | 4,248.25 mi (6,836.90 km) |
| Hillsborough to Koronowo | 4,143.73 mi (6,668.70 km) |
