| Difficult Run to Harrison (Wisconsin) | 673.00 mi (1,083.09 km) |
| Difficult Run to Harrisonburg (Virginia) | 88.40 mi (142.26 km) |
| Difficult Run to Hartford (Connecticut) | 315.36 mi (507.52 km) |
| Difficult Run to Hartford (Wisconsin) | 649.68 mi (1,045.56 km) |
| Difficult Run to Hartselle (Alabama) | 614.05 mi (988.21 km) |
| Difficult Run to Hartsville (Tennessee) | 511.93 mi (823.87 km) |
| Difficult Run to Harvey (Illinois) | 574.21 mi (924.10 km) |
| Difficult Run to Harvey (Louisiana) | 954.19 mi (1,535.62 km) |
| Difficult Run to Hasbrouck Heights (New Jersey) | 220.10 mi (354.22 km) |
| Difficult Run to Haslett (Michigan) | 454.53 mi (731.50 km) |
| Difficult Run to Hastings (Minnesota) | 892.34 mi (1,436.08 km) |
| Difficult Run to Hastings (Nebraska) | 1,121.27 mi (1,804.51 km) |
| Difficult Run to Hattiesburg (Mississippi) | 854.92 mi (1,375.87 km) |
| Difficult Run to Hauppauge (New York) | 256.30 mi (412.47 km) |
| Difficult Run to Havelock (North Carolina) | 277.05 mi (445.87 km) |
