| Gretna to Glenvar Heights (Florida) | 661.67 mi (1,064.85 km) |
| Gretna to Glenview (Illinois) | 850.13 mi (1,368.15 km) |
| Gretna to Gloucester (Massachusetts) | 1,385.22 mi (2,229.29 km) |
| Gretna to Gloucester City (New Jersey) | 1,089.07 mi (1,752.69 km) |
| Gretna to Gloucester Point (Virginia) | 929.60 mi (1,496.05 km) |
| Gretna to Gloversville (New York) | 1,254.93 mi (2,019.62 km) |
| Gretna to Godfrey (Illinois) | 625.20 mi (1,006.16 km) |
| Gretna to Gold Canyon (Arizona) | 1,277.24 mi (2,055.52 km) |
| Gretna to Golden (Colorado) | 1,093.09 mi (1,759.16 km) |
| Gretna to Golden Gate (Florida) | 570.22 mi (917.69 km) |
| Gretna to Golden Glades (Florida) | 661.44 mi (1,064.49 km) |
| Gretna to Golden Valley (Minnesota) | 1,057.35 mi (1,701.65 km) |
| Gretna to Goldenrod (Florida) | 535.45 mi (861.72 km) |
| Gretna to Goldsboro (North Carolina) | 797.04 mi (1,282.71 km) |
| Gretna to Goleta (California) | 1,764.53 mi (2,839.73 km) |
