| Helensburgh to Glyka Nera | 1,810.41 mi (2,913.57 km) |
| Helensburgh to Grevena | 1,616.51 mi (2,601.53 km) |
| Helensburgh to Ialysos | 2,041.19 mi (3,284.98 km) |
| Helensburgh to Ilion | 1,803.23 mi (2,902.03 km) |
| Helensburgh to Ilioupoli | 1,810.38 mi (2,913.53 km) |
| Helensburgh to Ioannina | 1,620.79 mi (2,608.41 km) |
| Helensburgh to Irakleio | 2,000.36 mi (3,219.27 km) |
| Helensburgh to Irakleio | 1,804.51 mi (2,904.08 km) |
| Helensburgh to Kaisariani | 1,808.73 mi (2,910.87 km) |
| Helensburgh to Kalamaria | 1,640.61 mi (2,640.31 km) |
| Helensburgh to Kalamata | 1,807.56 mi (2,908.99 km) |
| Helensburgh to Kallithea | 1,807.82 mi (2,909.41 km) |
| Helensburgh to Kalymnos | 1,970.25 mi (3,170.81 km) |
| Helensburgh to Kalyvia Thorikou | 1,821.38 mi (2,931.23 km) |
| Helensburgh to Kamatero | 1,802.18 mi (2,900.32 km) |
