| Helston to Isny im Allgau | 713.65 mi (1,148.51 km) |
| Helston to Isselburg | 523.92 mi (843.17 km) |
| Helston to Issum | 519.43 mi (835.94 km) |
| Helston to Itzehoe | 680.45 mi (1,095.08 km) |
| Helston to Jena | 741.17 mi (1,192.79 km) |
| Helston to Jever | 610.23 mi (982.06 km) |
| Helston to Jork | 679.70 mi (1,093.87 km) |
| Helston to Juchen | 520.29 mi (837.32 km) |
| Helston to Julich | 513.53 mi (826.45 km) |
| Helston to Juterbog | 805.21 mi (1,295.85 km) |
| Helston to Kaarst | 525.74 mi (846.10 km) |
| Helston to Kaiserslautern | 582.84 mi (937.99 km) |
| Helston to Kalkar | 515.61 mi (829.79 km) |
| Helston to Kall | 521.76 mi (839.68 km) |
| Helston to Kaltenkirchen | 696.16 mi (1,120.37 km) |
