| Canals to Harrison (Wisconsin) | 4,323.43 mi (6,957.88 km) |
| Canals to Harrisonburg (Virginia) | 4,078.91 mi (6,564.38 km) |
| Canals to Hartford (Connecticut) | 3,685.24 mi (5,930.81 km) |
| Canals to Hartford (Wisconsin) | 4,356.41 mi (7,010.96 km) |
| Canals to Hartselle (Alabama) | 4,604.95 mi (7,410.95 km) |
| Canals to Hartsville (Tennessee) | 4,496.40 mi (7,236.26 km) |
| Canals to Harvey (Illinois) | 4,382.62 mi (7,053.15 km) |
| Canals to Harvey (Louisiana) | 4,931.31 mi (7,936.17 km) |
| Canals to Hasbrouck Heights (New Jersey) | 3,776.25 mi (6,077.29 km) |
| Canals to Haslett (Michigan) | 4,198.69 mi (6,757.14 km) |
| Canals to Hastings (Minnesota) | 4,499.57 mi (7,241.36 km) |
| Canals to Hastings (Nebraska) | 4,891.29 mi (7,871.78 km) |
| Canals to Hattiesburg (Mississippi) | 4,838.97 mi (7,787.57 km) |
| Canals to Hauppauge (New York) | 3,736.09 mi (6,012.65 km) |
| Canals to Havelock (North Carolina) | 4,096.48 mi (6,592.64 km) |
