| Helensburgh to Isny im Allgau | 850.20 mi (1,368.26 km) |
| Helensburgh to Isselburg | 538.65 mi (866.88 km) |
| Helensburgh to Issum | 549.63 mi (884.54 km) |
| Helensburgh to Itzehoe | 582.15 mi (936.88 km) |
| Helensburgh to Jena | 755.12 mi (1,215.25 km) |
| Helensburgh to Jever | 529.88 mi (852.76 km) |
| Helensburgh to Jork | 598.25 mi (962.78 km) |
| Helensburgh to Juchen | 571.55 mi (919.82 km) |
| Helensburgh to Julich | 575.05 mi (925.46 km) |
| Helensburgh to Juterbog | 771.94 mi (1,242.32 km) |
| Helensburgh to Kaarst | 570.17 mi (917.60 km) |
| Helensburgh to Kaiserslautern | 690.85 mi (1,111.81 km) |
| Helensburgh to Kalkar | 536.67 mi (863.69 km) |
| Helensburgh to Kall | 598.67 mi (963.46 km) |
| Helensburgh to Kaltenkirchen | 601.15 mi (967.46 km) |
