| Gretna to Gaffney (South Carolina) | 605.20 mi (973.97 km) |
| Gretna to Gages Lake (Illinois) | 867.28 mi (1,395.76 km) |
| Gretna to Gahanna (Ohio) | 808.04 mi (1,300.41 km) |
| Gretna to Gainesville (Florida) | 462.21 mi (743.86 km) |
| Gretna to Gainesville (Georgia) | 473.33 mi (761.75 km) |
| Gretna to Gainesville (Texas) | 489.87 mi (788.37 km) |
| Gretna to Gainesville (Virginia) | 935.59 mi (1,505.68 km) |
| Gretna to Gaithersburg (Maryland) | 967.90 mi (1,557.69 km) |
| Gretna to Galena Park (Texas) | 310.78 mi (500.15 km) |
| Gretna to Galesburg (Illinois) | 763.04 mi (1,228.00 km) |
| Gretna to Galion (Ohio) | 852.35 mi (1,371.72 km) |
| Gretna to Gallatin (Tennessee) | 492.49 mi (792.59 km) |
| Gretna to Gallup (New Mexico) | 1,151.38 mi (1,852.96 km) |
| Gretna to Galt (California) | 1,868.68 mi (3,007.34 km) |
| Gretna to Galveston (Texas) | 294.36 mi (473.73 km) |
