| Gretna to New Lenox (Illinois) | 809.83 mi (1,303.29 km) |
| Gretna to New London (Connecticut) | 1,276.49 mi (2,054.31 km) |
| Gretna to New Milford (New Jersey) | 1,177.62 mi (1,895.20 km) |
| Gretna to New Orleans (Louisiana) | 13.19 mi (21.23 km) |
| Gretna to New Philadelphia (Ohio) | 876.66 mi (1,410.84 km) |
| Gretna to New Port Richey (Florida) | 457.46 mi (736.21 km) |
| Gretna to New Port Richey East (Florida) | 458.59 mi (738.03 km) |
| Gretna to New Providence (New Jersey) | 1,151.89 mi (1,853.79 km) |
| Gretna to New River (Arizona) | 1,318.63 mi (2,122.12 km) |
| Gretna to New Rochelle (New York) | 1,187.58 mi (1,911.23 km) |
| Gretna to New Smyrna Beach (Florida) | 549.85 mi (884.90 km) |
| Gretna to New Ulm (Minnesota) | 1,023.98 mi (1,647.94 km) |
| Gretna to New York (New York) | 1,172.24 mi (1,886.54 km) |
| Gretna to Newark (California) | 1,901.38 mi (3,059.97 km) |
| Gretna to Newark (Delaware) | 1,052.71 mi (1,694.18 km) |
