| Slidell to Havelock (North Carolina) | 814.21 mi (1,310.35 km) |
| Slidell to Haverhill (Massachusetts) | 1,344.55 mi (2,163.84 km) |
| Slidell to Havre de Grace (Maryland) | 1,002.38 mi (1,613.18 km) |
| Slidell to Hawaiian Gardens (California) | 1,669.20 mi (2,686.31 km) |
| Slidell to Hawaiian Paradise Park (Hawaii) | 4,097.61 mi (6,594.47 km) |
| Slidell to Hawthorne (California) | 1,685.02 mi (2,711.78 km) |
| Slidell to Hawthorne (New Jersey) | 1,142.89 mi (1,839.30 km) |
| Slidell to Hayden (Idaho) | 1,870.19 mi (3,009.79 km) |
| Slidell to Hayesville (Oregon) | 2,059.84 mi (3,315.00 km) |
| Slidell to Hays (Kansas) | 803.38 mi (1,292.91 km) |
| Slidell to Haysville (Kansas) | 663.62 mi (1,068.00 km) |
| Slidell to Hayward (California) | 1,908.54 mi (3,071.50 km) |
| Slidell to Hazel Crest (Illinois) | 788.35 mi (1,268.73 km) |
| Slidell to Hazel Dell (Washington) | 2,060.80 mi (3,316.53 km) |
| Slidell to Hazel Park (Michigan) | 918.86 mi (1,478.76 km) |
