| Harker Heights to Kluczbork | 5,559.84 mi (8,947.69 km) |
| Harker Heights to Knurow | 5,608.97 mi (9,026.77 km) |
| Harker Heights to Kobylka | 5,598.99 mi (9,010.70 km) |
| Harker Heights to Kokoszki | 5,424.03 mi (8,729.13 km) |
| Harker Heights to Kolbuszowa | 5,711.72 mi (9,192.12 km) |
| Harker Heights to Kolno | 5,573.56 mi (8,969.77 km) |
| Harker Heights to Kolo | 5,521.29 mi (8,885.66 km) |
| Harker Heights to Kolobrzeg | 5,337.81 mi (8,590.38 km) |
| Harker Heights to Koluszki | 5,579.43 mi (8,979.22 km) |
| Harker Heights to Komorniki | 5,454.01 mi (8,777.37 km) |
| Harker Heights to Konin | 5,508.44 mi (8,864.98 km) |
| Harker Heights to Konskie | 5,624.16 mi (9,051.21 km) |
| Harker Heights to Konstancin-Jeziorna | 5,607.54 mi (9,024.46 km) |
| Harker Heights to Konstantynow Lodzki | 5,564.01 mi (8,954.41 km) |
| Harker Heights to Koronowo | 5,450.44 mi (8,771.63 km) |
