| Gretna to Scottsboro (Alabama) | 401.95 mi (646.88 km) |
| Gretna to Scottsdale (Arizona) | 1,304.65 mi (2,099.63 km) |
| Gretna to Scranton (Pennsylvania) | 1,129.73 mi (1,818.12 km) |
| Gretna to Seabrook (Maryland) | 977.18 mi (1,572.61 km) |
| Gretna to Seabrook (Texas) | 299.15 mi (481.43 km) |
| Gretna to Seaford (New York) | 1,190.03 mi (1,915.17 km) |
| Gretna to Seagoville (Texas) | 427.63 mi (688.20 km) |
| Gretna to Seal Beach (California) | 1,660.88 mi (2,672.93 km) |
| Gretna to Searcy (Arkansas) | 381.18 mi (613.46 km) |
| Gretna to Seaside (California) | 1,883.63 mi (3,031.41 km) |
| Gretna to SeaTac (Washington) | 2,095.74 mi (3,372.76 km) |
| Gretna to Seattle (Washington) | 2,101.76 mi (3,382.46 km) |
| Gretna to Sebastian (Florida) | 597.31 mi (961.28 km) |
| Gretna to Sebring (Florida) | 547.41 mi (880.97 km) |
| Gretna to Secaucus (New Jersey) | 1,169.58 mi (1,882.25 km) |
