| Slough to Hormigueros (Puerto Rico) | 4,239.70 mi (6,823.14 km) |
| Slough to Horn Lake (Mississippi) | 4,356.47 mi (7,011.06 km) |
| Slough to Hot Springs (Arkansas) | 4,497.40 mi (7,237.87 km) |
| Slough to Hot Springs Village (Arkansas) | 4,485.64 mi (7,218.93 km) |
| Slough to Houma (Louisiana) | 4,652.76 mi (7,487.90 km) |
| Slough to Houston (Texas) | 4,829.83 mi (7,772.86 km) |
| Slough to Howard (Wisconsin) | 3,824.18 mi (6,154.42 km) |
| Slough to Huber Heights (Ohio) | 3,886.76 mi (6,255.13 km) |
| Slough to Hudson (Florida) | 4,383.65 mi (7,054.81 km) |
| Slough to Hudson (Ohio) | 3,718.39 mi (5,984.16 km) |
| Slough to Hudson (Wisconsin) | 3,975.98 mi (6,398.73 km) |
| Slough to Hueytown (Alabama) | 4,310.76 mi (6,937.50 km) |
| Slough to Hugo (Minnesota) | 3,974.68 mi (6,396.63 km) |
| Slough to Humacao (Puerto Rico) | 4,183.83 mi (6,733.22 km) |
| Slough to Humble (Texas) | 4,814.27 mi (7,747.82 km) |
