| Canals to Hormigueros (Puerto Rico) | 4,191.00 mi (6,744.77 km) |
| Canals to Horn Lake (Mississippi) | 4,734.29 mi (7,619.11 km) |
| Canals to Hot Springs (Arkansas) | 4,893.39 mi (7,875.15 km) |
| Canals to Hot Springs Village (Arkansas) | 4,882.80 mi (7,858.11 km) |
| Canals to Houma (Louisiana) | 4,974.92 mi (8,006.35 km) |
| Canals to Houston (Texas) | 5,194.16 mi (8,359.20 km) |
| Canals to Howard (Wisconsin) | 4,302.18 mi (6,923.69 km) |
| Canals to Huber Heights (Ohio) | 4,280.17 mi (6,888.28 km) |
| Canals to Hudson (Florida) | 4,620.90 mi (7,436.62 km) |
| Canals to Hudson (Ohio) | 4,111.55 mi (6,616.91 km) |
| Canals to Hudson (Wisconsin) | 4,486.17 mi (7,219.79 km) |
| Canals to Hueytown (Alabama) | 4,646.62 mi (7,478.01 km) |
| Canals to Hugo (Minnesota) | 4,488.47 mi (7,223.50 km) |
| Canals to Humacao (Puerto Rico) | 4,120.86 mi (6,631.88 km) |
| Canals to Humble (Texas) | 5,179.75 mi (8,336.00 km) |
