| Gretna to Laguna Beach (California) | 1,642.71 mi (2,643.68 km) |
| Gretna to Laguna Hills (California) | 1,639.20 mi (2,638.04 km) |
| Gretna to Laguna Niguel (California) | 1,639.44 mi (2,638.42 km) |
| Gretna to Laguna Woods (California) | 1,641.00 mi (2,640.94 km) |
| Gretna to Lahaina (Hawaii) | 4,148.98 mi (6,677.13 km) |
| Gretna to Lake Arbor (Maryland) | 975.23 mi (1,569.48 km) |
| Gretna to Lake Barcroft (Virginia) | 958.57 mi (1,542.66 km) |
| Gretna to Lake Butler (Florida) | 522.22 mi (840.42 km) |
| Gretna to Lake Charles (Louisiana) | 190.01 mi (305.80 km) |
| Gretna to Lake City (Florida) | 443.17 mi (713.22 km) |
| Gretna to Lake Elmo (Minnesota) | 1,053.71 mi (1,695.78 km) |
| Gretna to Lake Elsinore (California) | 1,618.40 mi (2,604.57 km) |
| Gretna to Lake Forest (California) | 1,637.73 mi (2,635.66 km) |
| Gretna to Lake Forest (Illinois) | 860.44 mi (1,384.74 km) |
| Gretna to Lake Forest Park (Washington) | 2,103.99 mi (3,386.04 km) |
