| Gretna to Savannah (Georgia) | 545.27 mi (877.52 km) |
| Gretna to Sayreville (New Jersey) | 1,146.04 mi (1,844.38 km) |
| Gretna to Sayville (New York) | 1,210.95 mi (1,948.84 km) |
| Gretna to Scaggsville (Maryland) | 982.28 mi (1,580.83 km) |
| Gretna to Scarsdale (New York) | 1,190.21 mi (1,915.46 km) |
| Gretna to Schaumburg (Illinois) | 844.59 mi (1,359.23 km) |
| Gretna to Schenectady (New York) | 1,260.02 mi (2,027.80 km) |
| Gretna to Schererville (Indiana) | 812.98 mi (1,308.36 km) |
| Gretna to Schertz (Texas) | 492.54 mi (792.67 km) |
| Gretna to Schiller Park (Illinois) | 841.29 mi (1,353.93 km) |
| Gretna to Schofield Barracks (Hawaii) | 4,215.19 mi (6,783.70 km) |
| Gretna to Scotchtown (New York) | 1,185.29 mi (1,907.54 km) |
| Gretna to Scottdale (Georgia) | 432.80 mi (696.53 km) |
| Gretna to Scotts Valley (California) | 1,896.95 mi (3,052.85 km) |
| Gretna to Scottsbluff (Nebraska) | 1,121.02 mi (1,804.11 km) |
