| Slidell to Hamtramck (Michigan) | 915.67 mi (1,473.63 km) |
| Slidell to Hanahan (South Carolina) | 603.45 mi (971.15 km) |
| Slidell to Hanford (California) | 1,767.03 mi (2,843.77 km) |
| Slidell to Hannibal (Missouri) | 657.26 mi (1,057.75 km) |
| Slidell to Hanover (Pennsylvania) | 976.40 mi (1,571.36 km) |
| Slidell to Hanover Park (Illinois) | 813.02 mi (1,308.43 km) |
| Slidell to Happy Valley (Oregon) | 2,048.47 mi (3,296.70 km) |
| Slidell to Harker Heights (Texas) | 470.11 mi (756.56 km) |
| Slidell to Harlingen (Texas) | 558.55 mi (898.89 km) |
| Slidell to Harper Woods (Michigan) | 921.24 mi (1,482.59 km) |
| Slidell to Harrisburg (North Carolina) | 633.51 mi (1,019.53 km) |
| Slidell to Harrisburg (Pennsylvania) | 1,000.63 mi (1,610.35 km) |
| Slidell to Harrison (Arkansas) | 454.29 mi (731.11 km) |
| Slidell to Harrison (New Jersey) | 1,134.61 mi (1,825.98 km) |
| Slidell to Harrison (New York) | 1,164.26 mi (1,873.70 km) |
