| Gretna to Timberwood Park (Texas) | 505.65 mi (813.76 km) |
| Gretna to Timonium (Maryland) | 1,006.89 mi (1,620.43 km) |
| Gretna to Tinley Park (Illinois) | 815.12 mi (1,311.81 km) |
| Gretna to Tinton Falls (New Jersey) | 1,148.47 mi (1,848.29 km) |
| Gretna to Tipp City (Ohio) | 769.55 mi (1,238.47 km) |
| Gretna to Titusville (Florida) | 564.05 mi (907.75 km) |
| Gretna to Toledo (Ohio) | 888.67 mi (1,430.17 km) |
| Gretna to Tomball (Texas) | 333.37 mi (536.50 km) |
| Gretna to Tonawanda (New York) | 1,095.34 mi (1,762.78 km) |
| Gretna to Tooele (Utah) | 1,448.94 mi (2,331.85 km) |
| Gretna to Topeka (Kansas) | 707.29 mi (1,138.27 km) |
| Gretna to Torrance (California) | 1,676.53 mi (2,698.12 km) |
| Gretna to Torrington (Connecticut) | 1,251.40 mi (2,013.93 km) |
| Gretna to Totowa (New Jersey) | 1,167.84 mi (1,879.46 km) |
| Gretna to Town 'n' Country (Florida) | 470.46 mi (757.14 km) |
