| Miami (Florida) to Gretna | 665.04 mi (1,070.27 km) |
| Chicago (Illinois) to Gretna | 834.57 mi (1,343.12 km) |
| Detroit (Michigan) to Gretna | 944.16 mi (1,519.49 km) |
| Washington (District of Columbia) to Gretna | 966.89 mi (1,556.06 km) |
| Baltimore (Maryland) to Gretna | 1,000.62 mi (1,610.34 km) |
| Minneapolis (Minnesota) to Gretna | 1,054.71 mi (1,697.40 km) |
| Denver (Colorado) to Gretna | 1,079.15 mi (1,736.72 km) |
| Philadelphia (Pennsylvania) to Gretna | 1,092.90 mi (1,758.85 km) |
| Brooklyn (New York) to Gretna | 1,169.45 mi (1,882.05 km) |
| New York (New York) to Gretna | 1,172.24 mi (1,886.54 km) |
| Queens (New York) to Gretna | 1,179.91 mi (1,898.88 km) |
| Phoenix (Arizona) to Gretna | 1,316.75 mi (2,119.11 km) |
| Boston (Massachusetts) to Gretna | 1,356.75 mi (2,183.48 km) |
| Las Vegas (Nevada) to Gretna | 1,518.82 mi (2,444.30 km) |
| San Diego (California) to Gretna | 1,605.27 mi (2,583.43 km) |
| Riverside (California) to Gretna | 1,622.50 mi (2,611.16 km) |
| Los Angeles (California) to Gretna | 1,680.87 mi (2,705.10 km) |
| San Francisco (California) to Gretna | 1,925.75 mi (3,099.20 km) |
| Portland (Oregon) to Gretna | 2,061.98 mi (3,318.44 km) |
| Seattle (Washington) to Gretna | 2,101.76 mi (3,382.46 km) |
| Houston (Texas) to Gretna | 319.92 mi (514.86 km) |
| Atlanta (Georgia) to Gretna | 424.19 mi (682.67 km) |
| Dallas (Texas) to Gretna | 443.36 mi (713.52 km) |
| Tampa (Florida) to Gretna | 478.44 mi (769.98 km) |
| St. Louis (Missouri) to Gretna | 603.00 mi (970.43 km) |
