| Houston to Kocaali | 6,458.53 mi (10,394.00 km) |
| Houston to Kocaeli | 6,438.49 mi (10,361.74 km) |
| Houston to Konak | 6,443.50 mi (10,369.81 km) |
| Houston to Konakli | 6,718.44 mi (10,812.29 km) |
| Houston to Konya | 6,677.39 mi (10,746.21 km) |
| Houston to Koprukoy | 6,891.88 mi (11,091.42 km) |
| Houston to Korfez | 6,430.63 mi (10,349.10 km) |
| Houston to Korkut | 6,957.50 mi (11,197.01 km) |
| Houston to Kose | 6,807.58 mi (10,955.75 km) |
| Houston to Kovancilar | 6,895.41 mi (11,097.09 km) |
| Houston to Koyulhisar | 6,742.08 mi (10,850.32 km) |
| Houston to Kozan | 6,821.14 mi (10,977.57 km) |
| Houston to Kozlu | 6,472.37 mi (10,416.28 km) |
| Houston to Kozluk | 6,978.00 mi (11,230.01 km) |
| Houston to Kucuk Dalyan | 6,898.55 mi (11,102.14 km) |
