| Alpena to Grottaferrata | 4,521.02 mi (7,275.88 km) |
| Alpena to Grottaglie | 4,765.24 mi (7,668.92 km) |
| Alpena to Grottammare | 4,515.20 mi (7,266.52 km) |
| Alpena to Grugliasco | 4,180.34 mi (6,727.61 km) |
| Alpena to Grumo Appula | 4,714.38 mi (7,587.06 km) |
| Alpena to Grumo Nevano | 4,622.36 mi (7,438.96 km) |
| Alpena to Gualdo Tadino | 4,462.28 mi (7,181.35 km) |
| Alpena to Guardiagrele | 4,563.84 mi (7,344.79 km) |
| Alpena to Guastalla | 4,307.82 mi (6,932.76 km) |
| Alpena to Gubbio | 4,448.74 mi (7,159.56 km) |
| Alpena to Guspini | 4,454.52 mi (7,168.86 km) |
| Alpena to Gussago | 4,259.31 mi (6,854.70 km) |
| Alpena to Iesi | 4,467.43 mi (7,189.64 km) |
| Alpena to Iesolo | 4,357.97 mi (7,013.48 km) |
| Alpena to Iglesias | 4,459.68 mi (7,177.16 km) |
