| Gretna to Saddlebrooke (Arizona) | 1,241.65 mi (1,998.24 km) |
| Gretna to Safety Harbor (Florida) | 463.56 mi (746.02 km) |
| Gretna to Saginaw (Michigan) | 992.07 mi (1,596.58 km) |
| Gretna to Saginaw (Texas) | 477.12 mi (767.85 km) |
| Gretna to Sahuarita (Arizona) | 1,245.53 mi (2,004.49 km) |
| Gretna to Saks (Alabama) | 360.13 mi (579.57 km) |
| Gretna to Salem (Massachusetts) | 1,371.90 mi (2,207.86 km) |
| Gretna to Salem (Ohio) | 918.36 mi (1,477.95 km) |
| Gretna to Salem (Oregon) | 2,065.00 mi (3,323.30 km) |
| Gretna to Salem (Virginia) | 767.70 mi (1,235.50 km) |
| Gretna to Salem Lakes (Wisconsin) | 878.88 mi (1,414.43 km) |
| Gretna to Salida (California) | 1,851.57 mi (2,979.81 km) |
| Gretna to Salina (Kansas) | 750.67 mi (1,208.09 km) |
| Gretna to Salinas (California) | 1,873.64 mi (3,015.34 km) |
| Gretna to Salisbury (Maryland) | 1,011.05 mi (1,627.12 km) |
