| Niederkassel to Harrison (Wisconsin) | 4,153.50 mi (6,684.41 km) |
| Niederkassel to Harrisonburg (Virginia) | 4,066.61 mi (6,544.58 km) |
| Niederkassel to Hartford (Connecticut) | 3,668.80 mi (5,904.37 km) |
| Niederkassel to Hartford (Wisconsin) | 4,198.12 mi (6,756.21 km) |
| Niederkassel to Hartselle (Alabama) | 4,579.55 mi (7,370.07 km) |
| Niederkassel to Hartsville (Tennessee) | 4,451.79 mi (7,164.47 km) |
| Niederkassel to Harvey (Illinois) | 4,253.93 mi (6,846.03 km) |
| Niederkassel to Harvey (Louisiana) | 4,935.01 mi (7,942.12 km) |
| Niederkassel to Hasbrouck Heights (New Jersey) | 3,764.23 mi (6,057.94 km) |
| Niederkassel to Haslett (Michigan) | 4,078.70 mi (6,564.04 km) |
| Niederkassel to Hastings (Minnesota) | 4,288.33 mi (6,901.40 km) |
| Niederkassel to Hastings (Nebraska) | 4,688.94 mi (7,546.12 km) |
| Niederkassel to Hattiesburg (Mississippi) | 4,832.09 mi (7,776.50 km) |
| Niederkassel to Hauppauge (New York) | 3,731.37 mi (6,005.05 km) |
| Niederkassel to Havelock (North Carolina) | 4,153.17 mi (6,683.87 km) |
