| Helensburgh to Fuente-Alamo de Murcia | 1,273.47 mi (2,049.45 km) |
| Helensburgh to Galapagar | 1,067.33 mi (1,717.70 km) |
| Helensburgh to Galdacano | 887.37 mi (1,428.09 km) |
| Helensburgh to Gandia | 1,196.39 mi (1,925.40 km) |
| Helensburgh to Garrucha | 1,308.23 mi (2,105.39 km) |
| Helensburgh to Gava | 1,060.58 mi (1,706.84 km) |
| Helensburgh to Gelves | 1,292.27 mi (2,079.70 km) |
| Helensburgh to Getafe | 1,086.54 mi (1,748.62 km) |
| Helensburgh to Gibraleon | 1,292.17 mi (2,079.55 km) |
| Helensburgh to Gijon | 863.57 mi (1,389.78 km) |
| Helensburgh to Gines | 1,288.66 mi (2,073.90 km) |
| Helensburgh to Girona | 1,026.76 mi (1,652.42 km) |
| Helensburgh to Godella | 1,156.78 mi (1,861.65 km) |
| Helensburgh to Gondomar | 977.51 mi (1,573.14 km) |
| Helensburgh to Grado | 874.55 mi (1,407.46 km) |
