| Opelika to Granada | 4,493.47 mi (7,231.53 km) |
| Opelika to Granadilla de Abona | 4,039.99 mi (6,501.73 km) |
| Opelika to Granollers | 4,658.17 mi (7,496.60 km) |
| Opelika to Grinon | 4,400.78 mi (7,082.36 km) |
| Opelika to Guadalajara | 4,423.40 mi (7,118.77 km) |
| Opelika to Guadarrama | 4,377.51 mi (7,044.92 km) |
| Opelika to Guadix | 4,513.76 mi (7,264.19 km) |
| Opelika to Guardamar del Segura | 4,615.73 mi (7,428.31 km) |
| Opelika to Guernica y Luno | 4,379.66 mi (7,048.38 km) |
| Opelika to Guia de Isora | 4,026.50 mi (6,480.03 km) |
| Opelika to Guillena | 4,359.84 mi (7,016.48 km) |
| Opelika to Guimar | 4,044.37 mi (6,508.78 km) |
| Opelika to Hellin | 4,552.81 mi (7,327.04 km) |
| Opelika to Herencia | 4,447.18 mi (7,157.04 km) |
| Opelika to Hernani | 4,413.74 mi (7,103.23 km) |
