| Gretna to Punta Gorda (Florida) | 528.82 mi (851.05 km) |
| Gretna to Puyallup (Washington) | 2,088.08 mi (3,360.44 km) |
| Gretna to Queen Creek (Arizona) | 1,287.75 mi (2,072.43 km) |
| Gretna to Queens (New York) | 1,179.91 mi (1,898.88 km) |
| Gretna to Quincy (Illinois) | 696.61 mi (1,121.08 km) |
| Gretna to Quincy (Massachusetts) | 1,357.04 mi (2,183.95 km) |
| Gretna to Raceland (Louisiana) | 37.24 mi (59.92 km) |
| Gretna to Racine (Wisconsin) | 894.22 mi (1,439.10 km) |
| Gretna to Radcliff (Kentucky) | 595.18 mi (957.84 km) |
| Gretna to Radford (Virginia) | 739.09 mi (1,189.46 km) |
| Gretna to Rahway (New Jersey) | 1,153.50 mi (1,856.37 km) |
| Gretna to Raleigh (North Carolina) | 777.46 mi (1,251.20 km) |
| Gretna to Ramona (California) | 1,591.09 mi (2,560.61 km) |
| Gretna to Ramsey (Minnesota) | 1,076.61 mi (1,732.64 km) |
| Gretna to Ramsey (New Jersey) | 1,177.34 mi (1,894.74 km) |
