| Opelika to Gavardo | 4,904.67 mi (7,893.30 km) |
| Opelika to Gavirate | 4,822.44 mi (7,760.97 km) |
| Opelika to Gavorrano | 5,012.07 mi (8,066.14 km) |
| Opelika to Gela | 5,368.90 mi (8,640.41 km) |
| Opelika to Gemona del Friuli | 4,995.77 mi (8,039.91 km) |
| Opelika to Genoa | 4,876.69 mi (7,848.28 km) |
| Opelika to Genzano di Roma | 5,132.86 mi (8,260.54 km) |
| Opelika to Gessate | 4,862.65 mi (7,825.68 km) |
| Opelika to Ghedi | 4,903.80 mi (7,891.91 km) |
| Opelika to Giarre | 5,387.91 mi (8,671.01 km) |
| Opelika to Giaveno | 4,787.79 mi (7,705.21 km) |
| Opelika to Giffoni Valle Piana | 5,267.77 mi (8,477.65 km) |
| Opelika to Ginosa | 5,356.50 mi (8,620.46 km) |
| Opelika to Gioia del Colle | 5,353.44 mi (8,615.53 km) |
| Opelika to Gioia Tauro | 5,394.99 mi (8,682.39 km) |
