| Gretna to Hunters Creek (Florida) | 530.72 mi (854.12 km) |
| Gretna to Huntersville (North Carolina) | 654.74 mi (1,053.70 km) |
| Gretna to Huntington (Indiana) | 799.75 mi (1,287.08 km) |
| Gretna to Huntington (Virginia) | 959.79 mi (1,544.63 km) |
| Gretna to Huntington (West Virginia) | 730.55 mi (1,175.71 km) |
| Gretna to Huntington Beach (California) | 1,656.78 mi (2,666.33 km) |
| Gretna to Huntington Park (California) | 1,669.67 mi (2,687.08 km) |
| Gretna to Huntington Station (New York) | 1,200.59 mi (1,932.17 km) |
| Gretna to Huntley (Illinois) | 851.15 mi (1,369.79 km) |
| Gretna to Huntsville (Alabama) | 386.07 mi (621.32 km) |
| Gretna to Huntsville (Texas) | 332.87 mi (535.70 km) |
| Gretna to Huron (South Dakota) | 1,093.60 mi (1,759.98 km) |
| Gretna to Hurricane (Utah) | 1,427.55 mi (2,297.42 km) |
| Gretna to Hurst (Texas) | 466.47 mi (750.70 km) |
| Gretna to Hutchinson (Kansas) | 720.63 mi (1,159.75 km) |
