| Alenquer to Grottaferrata | 1,153.25 mi (1,855.98 km) |
| Alenquer to Grottaglie | 1,402.68 mi (2,257.40 km) |
| Alenquer to Grottammare | 1,219.41 mi (1,962.46 km) |
| Alenquer to Grugliasco | 944.97 mi (1,520.78 km) |
| Alenquer to Grumo Appula | 1,362.29 mi (2,192.40 km) |
| Alenquer to Grumo Nevano | 1,235.67 mi (1,988.62 km) |
| Alenquer to Gualdo Tadino | 1,166.87 mi (1,877.90 km) |
| Alenquer to Guardiagrele | 1,233.67 mi (1,985.40 km) |
| Alenquer to Guastalla | 1,085.69 mi (1,747.24 km) |
| Alenquer to Gubbio | 1,157.08 mi (1,862.13 km) |
| Alenquer to Guspini | 942.89 mi (1,517.43 km) |
| Alenquer to Gussago | 1,075.05 mi (1,730.12 km) |
| Alenquer to Iesi | 1,192.08 mi (1,918.48 km) |
| Alenquer to Iesolo | 1,189.61 mi (1,914.50 km) |
| Alenquer to Iglesias | 938.61 mi (1,510.55 km) |
