| Houston to Jozefow | 5,608.53 mi (9,026.05 km) |
| Houston to Kalisz | 5,517.15 mi (8,879.00 km) |
| Houston to Kamien Pomorski | 5,316.78 mi (8,556.54 km) |
| Houston to Kamienna Gora | 5,483.96 mi (8,825.58 km) |
| Houston to Karczew | 5,611.22 mi (9,030.39 km) |
| Houston to Kartuzy | 5,416.90 mi (8,717.66 km) |
| Houston to Katowice | 5,611.11 mi (9,030.22 km) |
| Houston to Kedzierzyn-Kozle | 5,578.75 mi (8,978.13 km) |
| Houston to Kepno | 5,533.06 mi (8,904.60 km) |
| Houston to Ketrzyn | 5,530.11 mi (8,899.85 km) |
| Houston to Kety | 5,633.44 mi (9,066.15 km) |
| Houston to Kielce | 5,641.93 mi (9,079.81 km) |
| Houston to Kielczow | 5,510.54 mi (8,868.36 km) |
| Houston to Klobuck | 5,581.27 mi (8,982.18 km) |
| Houston to Klodzko | 5,519.98 mi (8,883.55 km) |
