| Houston to Karahalli | 6,542.00 mi (10,528.33 km) |
| Houston to Karakocan | 6,888.56 mi (11,086.06 km) |
| Houston to Karakopru | 6,941.44 mi (11,171.17 km) |
| Houston to Karaman | 6,739.43 mi (10,846.06 km) |
| Houston to Karapinar | 6,724.97 mi (10,822.80 km) |
| Houston to Karatas | 6,851.67 mi (11,026.70 km) |
| Houston to Karatepe | 6,441.73 mi (10,366.97 km) |
| Houston to Karayilan | 6,874.98 mi (11,064.22 km) |
| Houston to Kargipinar | 6,810.52 mi (10,960.48 km) |
| Houston to Karkamis | 6,932.29 mi (11,156.45 km) |
| Houston to Karliova | 6,901.71 mi (11,107.22 km) |
| Houston to Kars | 6,894.77 mi (11,096.06 km) |
| Houston to Kartal | 6,405.34 mi (10,308.40 km) |
| Houston to Kas | 6,648.96 mi (10,700.47 km) |
| Houston to Kastamonu | 6,547.10 mi (10,536.55 km) |
