| South Houston to Islahiye | 6,874.55 mi (11,063.52 km) |
| South Houston to Isparta | 6,609.46 mi (10,636.90 km) |
| South Houston to Istanbul | 6,391.21 mi (10,285.67 km) |
| South Houston to Izmir | 6,444.02 mi (10,370.64 km) |
| South Houston to Kadinhani | 6,649.24 mi (10,700.92 km) |
| South Houston to Kadirli | 6,837.26 mi (11,003.51 km) |
| South Houston to Kagithane | 6,388.84 mi (10,281.85 km) |
| South Houston to Kahramanmaras | 6,856.13 mi (11,033.87 km) |
| South Houston to Kahta | 6,905.22 mi (11,112.88 km) |
| South Houston to Kaman | 6,649.07 mi (10,700.64 km) |
| South Houston to Kangal | 6,785.25 mi (10,919.81 km) |
| South Houston to Kapakli | 6,338.78 mi (10,201.28 km) |
| South Houston to Karaagac | 6,880.11 mi (11,072.46 km) |
| South Houston to Karaagac | 6,339.73 mi (10,202.80 km) |
| South Houston to Karabuk | 6,516.70 mi (10,487.61 km) |
