| Opelika to Groveton (Virginia) | 626.64 mi (1,008.47 km) |
| Opelika to Grovetown (Georgia) | 191.47 mi (308.14 km) |
| Opelika to Guayama (Puerto Rico) | 1,569.05 mi (2,525.14 km) |
| Opelika to Guaynabo (Puerto Rico) | 1,549.41 mi (2,493.54 km) |
| Opelika to Gulf Shores (Alabama) | 214.28 mi (344.84 km) |
| Opelika to Gulfport (Florida) | 375.03 mi (603.56 km) |
| Opelika to Gulfport (Mississippi) | 266.65 mi (429.14 km) |
| Opelika to Gunbarrel (Colorado) | 1,210.72 mi (1,948.46 km) |
| Opelika to Gurnee (Illinois) | 685.31 mi (1,102.90 km) |
| Opelika to Guthrie (Oklahoma) | 722.37 mi (1,162.55 km) |
| Opelika to Guttenberg (New Jersey) | 842.62 mi (1,356.07 km) |
| Opelika to Guymon (Oklahoma) | 954.89 mi (1,536.75 km) |
| Opelika to Hacienda Heights (California) | 1,876.08 mi (3,019.26 km) |
| Opelika to Hackensack (New Jersey) | 845.07 mi (1,360.00 km) |
| Opelika to Hackettstown (New Jersey) | 812.20 mi (1,307.11 km) |
