| Houston to Isny im Allgau | 5,372.87 mi (8,646.80 km) |
| Houston to Isselburg | 5,093.35 mi (8,196.96 km) |
| Houston to Issum | 5,101.20 mi (8,209.58 km) |
| Houston to Itzehoe | 5,135.87 mi (8,265.38 km) |
| Houston to Jena | 5,316.11 mi (8,555.46 km) |
| Houston to Jever | 5,089.77 mi (8,191.19 km) |
| Houston to Jork | 5,155.05 mi (8,296.25 km) |
| Houston to Juchen | 5,118.33 mi (8,237.15 km) |
| Houston to Julich | 5,118.62 mi (8,237.62 km) |
| Houston to Juterbog | 5,331.39 mi (8,580.05 km) |
| Houston to Kaarst | 5,118.98 mi (8,238.20 km) |
| Houston to Kaiserslautern | 5,222.26 mi (8,404.41 km) |
| Houston to Kalkar | 5,089.79 mi (8,191.22 km) |
| Houston to Kall | 5,138.10 mi (8,268.97 km) |
| Houston to Kaltenkirchen | 5,154.50 mi (8,295.37 km) |
