| Slidell to Delaware (Ohio) | 786.92 mi (1,266.42 km) |
| Slidell to Delhi (California) | 1,836.20 mi (2,955.08 km) |
| Slidell to Delray Beach (Florida) | 645.70 mi (1,039.15 km) |
| Slidell to Deltona (Florida) | 523.48 mi (842.46 km) |
| Slidell to Deming (New Mexico) | 1,068.61 mi (1,719.76 km) |
| Slidell to Denison (Texas) | 464.94 mi (748.25 km) |
| Slidell to Dent (Ohio) | 680.10 mi (1,094.52 km) |
| Slidell to Denton (Texas) | 477.20 mi (767.98 km) |
| Slidell to Dentsville (South Carolina) | 578.45 mi (930.92 km) |
| Slidell to Denver (Colorado) | 1,073.39 mi (1,727.46 km) |
| Slidell to Depew (New York) | 1,064.81 mi (1,713.65 km) |
| Slidell to Derby (Connecticut) | 1,203.38 mi (1,936.66 km) |
| Slidell to Derby (Kansas) | 659.60 mi (1,061.53 km) |
| Slidell to Des Moines (Iowa) | 808.27 mi (1,300.79 km) |
| Slidell to Des Moines (Washington) | 2,088.39 mi (3,360.93 km) |
