| Gretna to West St. Paul (Minnesota) | 1,048.92 mi (1,688.07 km) |
| Gretna to West University Place (Texas) | 322.81 mi (519.52 km) |
| Gretna to West Valley City (Utah) | 1,438.92 mi (2,315.72 km) |
| Gretna to West Whittier-Los Nietos (California) | 1,661.20 mi (2,673.44 km) |
| Gretna to Westbrook (Maine) | 1,440.52 mi (2,318.29 km) |
| Gretna to Westbury (New York) | 1,189.34 mi (1,914.05 km) |
| Gretna to Westchase (Florida) | 467.41 mi (752.23 km) |
| Gretna to Westchester (Florida) | 658.40 mi (1,059.60 km) |
| Gretna to Westchester (Illinois) | 833.65 mi (1,341.63 km) |
| Gretna to Western Springs (Illinois) | 830.37 mi (1,336.35 km) |
| Gretna to Westerville (Ohio) | 812.22 mi (1,307.14 km) |
| Gretna to Westfield (Indiana) | 733.28 mi (1,180.10 km) |
| Gretna to Westfield (Massachusetts) | 1,279.15 mi (2,058.60 km) |
| Gretna to Westfield (New Jersey) | 1,152.55 mi (1,854.86 km) |
| Gretna to Westlake (Ohio) | 917.54 mi (1,476.63 km) |
