| Opelika to Gaeta | 5,188.87 mi (8,350.67 km) |
| Opelika to Gaggiano | 4,849.99 mi (7,805.31 km) |
| Opelika to Galatina | 5,431.63 mi (8,741.37 km) |
| Opelika to Galatone | 5,427.86 mi (8,735.29 km) |
| Opelika to Galbiate | 4,852.66 mi (7,809.60 km) |
| Opelika to Gallarate | 4,831.38 mi (7,775.36 km) |
| Opelika to Galliate | 4,833.05 mi (7,778.05 km) |
| Opelika to Gallipoli | 5,428.13 mi (8,735.73 km) |
| Opelika to Gambettola | 5,034.63 mi (8,102.46 km) |
| Opelika to Gambolo | 4,847.17 mi (7,800.77 km) |
| Opelika to Garbagnate Milanese | 4,846.63 mi (7,799.89 km) |
| Opelika to Gardone Val Trompia | 4,890.66 mi (7,870.75 km) |
| Opelika to Garlasco | 4,851.26 mi (7,807.35 km) |
| Opelika to Gassino Torinese | 4,805.92 mi (7,734.38 km) |
| Opelika to Gatteo | 5,037.36 mi (8,106.85 km) |
