| Houston to Karis | 5,339.28 mi (8,592.74 km) |
| Houston to Karkkila | 5,333.83 mi (8,583.98 km) |
| Houston to Kauhajoki | 5,199.80 mi (8,368.27 km) |
| Houston to Kauhava | 5,193.88 mi (8,358.74 km) |
| Houston to Kauniainen | 5,361.37 mi (8,628.29 km) |
| Houston to Kemi | 5,116.30 mi (8,233.89 km) |
| Houston to Kemijarvi | 5,134.62 mi (8,263.37 km) |
| Houston to Kempele | 5,173.30 mi (8,325.63 km) |
| Houston to Kerava | 5,362.87 mi (8,630.71 km) |
| Houston to Keuruu | 5,270.85 mi (8,482.61 km) |
| Houston to Kiiminki | 5,169.57 mi (8,319.62 km) |
| Houston to Kirkkonummi | 5,357.40 mi (8,621.90 km) |
| Houston to Kitee | 5,408.88 mi (8,704.75 km) |
| Houston to Kiuruvesi | 5,254.91 mi (8,456.96 km) |
| Houston to Kivisto | 5,359.59 mi (8,625.42 km) |
