| Slidell to Hereford (Texas) | 797.99 mi (1,284.24 km) |
| Slidell to Hermiston (Oregon) | 1,913.73 mi (3,079.85 km) |
| Slidell to Hermitage (Pennsylvania) | 918.43 mi (1,478.08 km) |
| Slidell to Hermosa Beach (California) | 1,687.78 mi (2,716.21 km) |
| Slidell to Hernando (Mississippi) | 315.39 mi (507.57 km) |
| Slidell to Herndon (Virginia) | 923.86 mi (1,486.81 km) |
| Slidell to Herriman (Utah) | 1,431.14 mi (2,303.20 km) |
| Slidell to Herrin (Illinois) | 520.64 mi (837.89 km) |
| Slidell to Hershey (Pennsylvania) | 1,010.59 mi (1,626.39 km) |
| Slidell to Hesperia (California) | 1,626.85 mi (2,618.17 km) |
| Slidell to Hewitt (Texas) | 446.83 mi (719.11 km) |
| Slidell to Hialeah (Florida) | 653.15 mi (1,051.15 km) |
| Slidell to Hialeah Gardens (Florida) | 649.70 mi (1,045.60 km) |
| Slidell to Hibbing (Minnesota) | 1,194.08 mi (1,921.69 km) |
| Slidell to Hickory (North Carolina) | 617.77 mi (994.21 km) |
