| Gretna to Hicksville (New York) | 1,192.29 mi (1,918.81 km) |
| Gretna to Hidalgo (Texas) | 564.45 mi (908.39 km) |
| Gretna to High Point (North Carolina) | 718.05 mi (1,155.59 km) |
| Gretna to Highland (California) | 1,609.89 mi (2,590.87 km) |
| Gretna to Highland (Illinois) | 611.85 mi (984.67 km) |
| Gretna to Highland (Indiana) | 817.05 mi (1,314.92 km) |
| Gretna to Highland (Utah) | 1,421.18 mi (2,287.17 km) |
| Gretna to Highland City (Florida) | 512.06 mi (824.09 km) |
| Gretna to Highland Park (Illinois) | 857.03 mi (1,379.25 km) |
| Gretna to Highland Park (New Jersey) | 1,142.91 mi (1,839.33 km) |
| Gretna to Highland Springs (Virginia) | 900.40 mi (1,449.05 km) |
| Gretna to Highland Village (Texas) | 467.61 mi (752.54 km) |
| Gretna to Highlands Ranch (Colorado) | 1,074.80 mi (1,729.73 km) |
| Gretna to Hillcrest (California) | 1,717.11 mi (2,763.43 km) |
| Gretna to Hillcrest Heights (Maryland) | 966.43 mi (1,555.33 km) |
