| South Houston to Kidricevo | 5,648.70 mi (9,090.70 km) |
| South Houston to Kobarid | 5,567.31 mi (8,959.73 km) |
| South Houston to Kobilje | 5,660.85 mi (9,110.26 km) |
| South Houston to Kocevje | 5,641.66 mi (9,079.38 km) |
| South Houston to Komen | 5,590.67 mi (8,997.32 km) |
| South Houston to Komenda | 5,606.98 mi (9,023.56 km) |
| South Houston to Koper | 5,600.16 mi (9,012.59 km) |
| South Houston to Kostanjevica na Krki | 5,656.13 mi (9,102.66 km) |
| South Houston to Kostel | 5,648.93 mi (9,091.07 km) |
| South Houston to Kozje | 5,652.44 mi (9,096.72 km) |
| South Houston to Kranj | 5,599.15 mi (9,010.96 km) |
| South Houston to Kranjska Gora | 5,566.49 mi (8,958.40 km) |
| South Houston to Krizevci | 5,655.76 mi (9,102.07 km) |
| South Houston to Krsko | 5,654.35 mi (9,099.80 km) |
| South Houston to Kuzma | 5,642.82 mi (9,081.25 km) |
