| Irmo to Grottaferrata | 4,878.77 mi (7,851.62 km) |
| Irmo to Grottaglie | 5,136.31 mi (8,266.10 km) |
| Irmo to Grottammare | 4,891.82 mi (7,872.63 km) |
| Irmo to Grugliasco | 4,548.43 mi (7,319.99 km) |
| Irmo to Grumo Appula | 5,086.15 mi (8,185.36 km) |
| Irmo to Grumo Nevano | 4,979.83 mi (8,014.26 km) |
| Irmo to Gualdo Tadino | 4,835.87 mi (7,782.58 km) |
| Irmo to Guardiagrele | 4,934.13 mi (7,940.72 km) |
| Irmo to Guastalla | 4,688.90 mi (7,546.05 km) |
| Irmo to Gubbio | 4,822.45 mi (7,760.99 km) |
| Irmo to Guspini | 4,765.67 mi (7,669.60 km) |
| Irmo to Gussago | 4,645.39 mi (7,476.04 km) |
| Irmo to Iesi | 4,846.40 mi (7,799.52 km) |
| Irmo to Iesolo | 4,755.12 mi (7,652.62 km) |
| Irmo to Iglesias | 4,767.84 mi (7,673.10 km) |
