| Helensburgh to Giovinazzo | 1,405.07 mi (2,261.24 km) |
| Helensburgh to Giugliano in Campania | 1,346.56 mi (2,167.07 km) |
| Helensburgh to Giulianova | 1,235.62 mi (1,988.54 km) |
| Helensburgh to Giussano | 933.61 mi (1,502.51 km) |
| Helensburgh to Goito | 999.96 mi (1,609.27 km) |
| Helensburgh to Gonzaga | 1,021.00 mi (1,643.15 km) |
| Helensburgh to Gorgonzola | 948.13 mi (1,525.87 km) |
| Helensburgh to Gorizia | 1,053.68 mi (1,695.74 km) |
| Helensburgh to Gragnano | 1,369.34 mi (2,203.75 km) |
| Helensburgh to Grammichele | 1,579.61 mi (2,542.14 km) |
| Helensburgh to Granarolo del l'Emilia | 1,061.63 mi (1,708.52 km) |
| Helensburgh to Gravina in Puglia | 1,418.11 mi (2,282.23 km) |
| Helensburgh to Grezzana | 995.46 mi (1,602.04 km) |
| Helensburgh to Gricignano d'Aversa | 1,342.26 mi (2,160.16 km) |
| Helensburgh to Grosseto | 1,154.01 mi (1,857.21 km) |
