| Gretna to Grayslake (Illinois) | 866.13 mi (1,393.91 km) |
| Gretna to Great Bend (Kansas) | 768.10 mi (1,236.14 km) |
| Gretna to Great Falls (Montana) | 1,659.42 mi (2,670.57 km) |
| Gretna to Great Falls (Virginia) | 958.97 mi (1,543.31 km) |
| Gretna to Great Neck (New York) | 1,184.76 mi (1,906.68 km) |
| Gretna to Greeley (Colorado) | 1,100.90 mi (1,771.73 km) |
| Gretna to Green (Ohio) | 901.55 mi (1,450.91 km) |
| Gretna to Green Bay (Wisconsin) | 1,015.35 mi (1,634.05 km) |
| Gretna to Green River (Wyoming) | 1,347.34 mi (2,168.33 km) |
| Gretna to Green Valley (Arizona) | 1,247.53 mi (2,007.70 km) |
| Gretna to Green Valley (Maryland) | 975.49 mi (1,569.89 km) |
| Gretna to Greenacres (Florida) | 644.25 mi (1,036.83 km) |
| Gretna to Greenbelt (Maryland) | 976.12 mi (1,570.92 km) |
| Gretna to Greendale (Wisconsin) | 907.18 mi (1,459.97 km) |
| Gretna to Greeneville (Tennessee) | 601.61 mi (968.20 km) |
