| Houston to Kidricevo | 5,648.38 mi (9,090.18 km) |
| Houston to Kobarid | 5,567.22 mi (8,959.58 km) |
| Houston to Kobilje | 5,660.43 mi (9,109.58 km) |
| Houston to Kocevje | 5,641.57 mi (9,079.24 km) |
| Houston to Komen | 5,590.65 mi (8,997.28 km) |
| Houston to Komenda | 5,606.81 mi (9,023.29 km) |
| Houston to Koper | 5,600.19 mi (9,012.64 km) |
| Houston to Kostanjevica na Krki | 5,655.95 mi (9,102.37 km) |
| Houston to Kostel | 5,648.86 mi (9,090.96 km) |
| Houston to Kozje | 5,652.21 mi (9,096.35 km) |
| Houston to Kranj | 5,598.99 mi (9,010.71 km) |
| Houston to Kranjska Gora | 5,566.34 mi (8,958.16 km) |
| Houston to Krizevci | 5,655.38 mi (9,101.46 km) |
| Houston to Krsko | 5,654.15 mi (9,099.47 km) |
| Houston to Kuzma | 5,642.40 mi (9,080.57 km) |
