| Slidell to Duluth (Minnesota) | 1,146.09 mi (1,844.45 km) |
| Slidell to Dumas (Texas) | 802.62 mi (1,291.69 km) |
| Slidell to Dumont (New Jersey) | 1,149.47 mi (1,849.89 km) |
| Slidell to Duncan (Oklahoma) | 557.97 mi (897.96 km) |
| Slidell to Duncanville (Texas) | 450.52 mi (725.04 km) |
| Slidell to Dundalk (Maryland) | 974.75 mi (1,568.71 km) |
| Slidell to Dunedin (Florida) | 449.89 mi (724.03 km) |
| Slidell to Dunkirk (New York) | 1,021.64 mi (1,644.17 km) |
| Slidell to Dunmore (Pennsylvania) | 1,102.28 mi (1,773.95 km) |
| Slidell to Dunwoody (Georgia) | 407.56 mi (655.90 km) |
| Slidell to Durango (Colorado) | 1,143.01 mi (1,839.49 km) |
| Slidell to Durant (Oklahoma) | 463.61 mi (746.11 km) |
| Slidell to Durham (North Carolina) | 741.49 mi (1,193.31 km) |
| Slidell to Dyer (Indiana) | 784.77 mi (1,262.96 km) |
| Slidell to Dyersburg (Tennessee) | 398.51 mi (641.35 km) |
