| Reading to Isny im Allgau | 556.91 mi (896.27 km) |
| Reading to Isselburg | 319.92 mi (514.86 km) |
| Reading to Issum | 318.09 mi (511.91 km) |
| Reading to Itzehoe | 470.74 mi (757.59 km) |
| Reading to Jena | 544.40 mi (876.12 km) |
| Reading to Jever | 400.51 mi (644.56 km) |
| Reading to Jork | 470.16 mi (756.66 km) |
| Reading to Juchen | 323.85 mi (521.18 km) |
| Reading to Julich | 319.47 mi (514.14 km) |
| Reading to Juterbog | 601.38 mi (967.82 km) |
| Reading to Kaarst | 327.89 mi (527.69 km) |
| Reading to Kaiserslautern | 408.60 mi (657.57 km) |
| Reading to Kalkar | 312.33 mi (502.65 km) |
| Reading to Kall | 332.85 mi (535.67 km) |
| Reading to Kaltenkirchen | 486.46 mi (782.89 km) |
