| Slidell to Hillcrest Heights (Maryland) | 936.87 mi (1,507.75 km) |
| Slidell to Hilliard (Ohio) | 769.83 mi (1,238.93 km) |
| Slidell to Hillsboro (Oregon) | 2,070.13 mi (3,331.55 km) |
| Slidell to Hillsborough (California) | 1,923.40 mi (3,095.42 km) |
| Slidell to Hillsborough (New Jersey) | 1,103.80 mi (1,776.39 km) |
| Slidell to Hilo (Hawaii) | 4,101.54 mi (6,600.80 km) |
| Slidell to Hilton Head Island (South Carolina) | 549.35 mi (884.10 km) |
| Slidell to Hinesville (Georgia) | 494.90 mi (796.46 km) |
| Slidell to Hinsdale (Illinois) | 802.07 mi (1,290.81 km) |
| Slidell to Hobart (Indiana) | 788.11 mi (1,268.34 km) |
| Slidell to Hobbs (New Mexico) | 805.22 mi (1,295.88 km) |
| Slidell to Hobe Sound (Florida) | 624.89 mi (1,005.66 km) |
| Slidell to Hoboken (New Jersey) | 1,140.08 mi (1,834.79 km) |
| Slidell to Hockessin (Delaware) | 1,030.59 mi (1,658.58 km) |
| Slidell to Hoffman Estates (Illinois) | 818.65 mi (1,317.49 km) |
