| Canals to Hazleton (Pennsylvania) | 3,864.06 mi (6,218.60 km) |
| Canals to Healdsburg (California) | 5,948.83 mi (9,573.71 km) |
| Canals to Heath (Ohio) | 4,196.92 mi (6,754.29 km) |
| Canals to Heber (Utah) | 5,427.92 mi (8,735.40 km) |
| Canals to Helena (Alabama) | 4,644.91 mi (7,475.27 km) |
| Canals to Helena (Montana) | 5,170.67 mi (8,321.40 km) |
| Canals to Hemet (California) | 5,974.58 mi (9,615.16 km) |
| Canals to Henderson (Kentucky) | 4,511.52 mi (7,260.59 km) |
| Canals to Henderson (Nevada) | 5,784.62 mi (9,309.45 km) |
| Canals to Henderson (North Carolina) | 4,124.79 mi (6,638.21 km) |
| Canals to Henderson (Texas) | 5,068.77 mi (8,157.39 km) |
| Canals to Hendersonville (North Carolina) | 4,356.10 mi (7,010.47 km) |
| Canals to Hendersonville (Tennessee) | 4,520.54 mi (7,275.10 km) |
| Canals to Hercules (California) | 5,958.95 mi (9,590.00 km) |
| Canals to Hereford (Texas) | 5,306.32 mi (8,539.69 km) |
