| Isabela to Grottaferrata | 4,853.70 mi (7,811.28 km) |
| Isabela to Grottaglie | 5,112.05 mi (8,227.05 km) |
| Isabela to Grottammare | 4,902.95 mi (7,890.54 km) |
| Isabela to Grugliasco | 4,578.54 mi (7,368.45 km) |
| Isabela to Grumo Appula | 5,068.20 mi (8,156.47 km) |
| Isabela to Grumo Nevano | 4,943.99 mi (7,956.58 km) |
| Isabela to Gualdo Tadino | 4,846.62 mi (7,799.89 km) |
| Isabela to Guardiagrele | 4,928.34 mi (7,931.40 km) |
| Isabela to Guastalla | 4,729.83 mi (7,611.93 km) |
| Isabela to Gubbio | 4,834.83 mi (7,780.90 km) |
| Isabela to Guspini | 4,661.70 mi (7,502.29 km) |
| Isabela to Gussago | 4,700.89 mi (7,565.35 km) |
| Isabela to Iesi | 4,866.83 mi (7,832.40 km) |
| Isabela to Iesolo | 4,821.47 mi (7,759.41 km) |
| Isabela to Iglesias | 4,657.94 mi (7,496.23 km) |
