| Slidell to Hagerstown (Maryland) | 938.48 mi (1,510.33 km) |
| Slidell to Haines City (Florida) | 514.92 mi (828.68 km) |
| Slidell to Halawa (Hawaii) | 4,221.61 mi (6,794.03 km) |
| Slidell to Half Moon Bay (California) | 1,927.18 mi (3,101.50 km) |
| Slidell to Halfway (Maryland) | 935.43 mi (1,505.43 km) |
| Slidell to Hallandale Beach (Florida) | 657.98 mi (1,058.91 km) |
| Slidell to Haltom City (Texas) | 474.09 mi (762.97 km) |
| Slidell to Ham Lake (Minnesota) | 1,050.51 mi (1,690.64 km) |
| Slidell to Hamilton (Ohio) | 694.87 mi (1,118.29 km) |
| Slidell to Hamilton Square (New Jersey) | 1,092.71 mi (1,758.55 km) |
| Slidell to Hammond (Indiana) | 793.04 mi (1,276.27 km) |
| Slidell to Hammond (Louisiana) | 42.86 mi (68.97 km) |
| Slidell to Hammonton (New Jersey) | 1,065.98 mi (1,715.53 km) |
| Slidell to Hampton (Virginia) | 900.87 mi (1,449.81 km) |
| Slidell to Hampton Bays (New York) | 1,210.79 mi (1,948.57 km) |
