| Upper Grand Lagoon to Grottaferrata | 5,256.54 mi (8,459.59 km) |
| Upper Grand Lagoon to Grottaglie | 5,514.59 mi (8,874.88 km) |
| Upper Grand Lagoon to Grottammare | 5,270.59 mi (8,482.20 km) |
| Upper Grand Lagoon to Grugliasco | 4,927.09 mi (7,929.39 km) |
| Upper Grand Lagoon to Grumo Appula | 5,464.51 mi (8,794.28 km) |
| Upper Grand Lagoon to Grumo Nevano | 5,357.48 mi (8,622.03 km) |
| Upper Grand Lagoon to Gualdo Tadino | 5,214.54 mi (8,391.99 km) |
| Upper Grand Lagoon to Guardiagrele | 5,312.55 mi (8,549.73 km) |
| Upper Grand Lagoon to Guastalla | 5,068.01 mi (8,156.18 km) |
| Upper Grand Lagoon to Gubbio | 5,201.14 mi (8,370.43 km) |
| Upper Grand Lagoon to Guspini | 5,140.07 mi (8,272.14 km) |
| Upper Grand Lagoon to Gussago | 5,024.72 mi (8,086.51 km) |
| Upper Grand Lagoon to Iesi | 5,225.31 mi (8,409.32 km) |
| Upper Grand Lagoon to Iesolo | 5,134.74 mi (8,263.57 km) |
| Upper Grand Lagoon to Iglesias | 5,141.97 mi (8,275.20 km) |
