| Gretna to Garfield (New Jersey) | 1,171.65 mi (1,885.59 km) |
| Gretna to Garfield Heights (Ohio) | 924.78 mi (1,488.30 km) |
| Gretna to Garland (Texas) | 439.71 mi (707.65 km) |
| Gretna to Garner (North Carolina) | 774.16 mi (1,245.88 km) |
| Gretna to Gary (Indiana) | 821.03 mi (1,321.33 km) |
| Gretna to Gastonia (North Carolina) | 634.01 mi (1,020.34 km) |
| Gretna to Gatesville (Texas) | 468.43 mi (753.86 km) |
| Gretna to Gateway (Florida) | 555.31 mi (893.69 km) |
| Gretna to Gautier (Mississippi) | 90.21 mi (145.18 km) |
| Gretna to Geneva (Illinois) | 832.85 mi (1,340.33 km) |
| Gretna to Geneva (New York) | 1,150.13 mi (1,850.95 km) |
| Gretna to Georgetown (Georgia) | 542.08 mi (872.39 km) |
| Gretna to Georgetown (Kentucky) | 654.82 mi (1,053.83 km) |
| Gretna to Georgetown (Texas) | 459.01 mi (738.71 km) |
| Gretna to Germantown (Maryland) | 967.44 mi (1,556.94 km) |
