| Houston to Koscian | 5,454.47 mi (8,778.12 km) |
| Houston to Koscielisko | 5,683.03 mi (9,145.95 km) |
| Houston to Koscierzyna | 5,418.51 mi (8,720.25 km) |
| Houston to Kostrzyn | 5,461.91 mi (8,790.09 km) |
| Houston to Kostrzyn nad Odra | 5,365.60 mi (8,635.10 km) |
| Houston to Koszalin | 5,355.50 mi (8,618.85 km) |
| Houston to Kowary | 5,476.44 mi (8,813.48 km) |
| Houston to Kozienice | 5,643.29 mi (9,081.99 km) |
| Houston to Kozuchow | 5,430.71 mi (8,739.88 km) |
| Houston to Kozy | 5,632.46 mi (9,064.56 km) |
| Houston to Krakow | 5,652.13 mi (9,096.23 km) |
| Houston to Krapkowice | 5,565.70 mi (8,957.13 km) |
| Houston to Krasnik | 5,694.07 mi (9,163.72 km) |
| Houston to Krasnystaw | 5,723.63 mi (9,211.29 km) |
| Houston to Krosno | 5,731.70 mi (9,224.29 km) |
