| Gretna to Paramus (New Jersey) | 1,175.90 mi (1,892.42 km) |
| Gretna to Paris (Kentucky) | 661.19 mi (1,064.09 km) |
| Gretna to Paris (Tennessee) | 452.43 mi (728.11 km) |
| Gretna to Paris (Texas) | 414.09 mi (666.41 km) |
| Gretna to Park Forest (Illinois) | 810.36 mi (1,304.15 km) |
| Gretna to Park Ridge (Illinois) | 845.18 mi (1,360.18 km) |
| Gretna to Parker (Colorado) | 1,064.86 mi (1,713.73 km) |
| Gretna to Parker (South Carolina) | 559.35 mi (900.19 km) |
| Gretna to Parkersburg (West Virginia) | 806.50 mi (1,297.93 km) |
| Gretna to Parkland (Florida) | 646.21 mi (1,039.97 km) |
| Gretna to Parkland (Washington) | 2,093.42 mi (3,369.04 km) |
| Gretna to Parkville (Maryland) | 1,006.51 mi (1,619.82 km) |
| Gretna to Parkway (California) | 1,879.19 mi (3,024.26 km) |
| Gretna to Parlier (California) | 1,757.93 mi (2,829.12 km) |
| Gretna to Parma (Ohio) | 919.18 mi (1,479.28 km) |
