| Gretna to North Fort Myers (Florida) | 545.15 mi (877.33 km) |
| Gretna to North Highlands (California) | 1,876.80 mi (3,020.41 km) |
| Gretna to North Las Vegas (Nevada) | 1,509.75 mi (2,429.70 km) |
| Gretna to North Lauderdale (Florida) | 651.27 mi (1,048.11 km) |
| Gretna to North Laurel (Maryland) | 983.33 mi (1,582.52 km) |
| Gretna to North Liberty (Iowa) | 822.24 mi (1,323.27 km) |
| Gretna to North Lindenhurst (New York) | 1,196.18 mi (1,925.07 km) |
| Gretna to North Little Rock (Arkansas) | 359.87 mi (579.15 km) |
| Gretna to North Logan (Utah) | 1,461.85 mi (2,352.62 km) |
| Gretna to North Lynnwood (Washington) | 2,106.28 mi (3,389.73 km) |
| Gretna to North Mankato (Minnesota) | 1,009.91 mi (1,625.29 km) |
| Gretna to North Massapequa (New York) | 1,192.44 mi (1,919.05 km) |
| Gretna to North Merrick (New York) | 1,187.74 mi (1,911.49 km) |
| Gretna to North Miami (Florida) | 663.63 mi (1,068.01 km) |
| Gretna to North Miami Beach (Florida) | 662.87 mi (1,066.78 km) |
