| Houston to Kavak | 6,640.95 mi (10,687.58 km) |
| Houston to Kayapinar | 6,948.66 mi (11,182.79 km) |
| Houston to Kayseri | 6,743.96 mi (10,853.35 km) |
| Houston to Kemalpasa | 6,454.48 mi (10,387.48 km) |
| Houston to Kemer | 6,665.72 mi (10,727.44 km) |
| Houston to Keskin | 6,627.97 mi (10,666.69 km) |
| Houston to Kilimli | 6,472.87 mi (10,417.08 km) |
| Houston to Kilis | 6,906.97 mi (11,115.69 km) |
| Houston to Kinik | 6,421.51 mi (10,334.42 km) |
| Houston to Kirikkale | 6,615.82 mi (10,647.14 km) |
| Houston to Kirkagac | 6,432.51 mi (10,352.13 km) |
| Houston to Kirklareli | 6,291.16 mi (10,124.65 km) |
| Houston to Kirsehir | 6,674.58 mi (10,741.70 km) |
| Houston to Kizilpinar | 6,341.26 mi (10,205.27 km) |
| Houston to Kiziltepe | 7,002.62 mi (11,269.63 km) |
