| Niagara Falls to Hohenhameln | 3,925.18 mi (6,316.97 km) |
| Niagara Falls to Hohenkirchen-Siegertsbrunn | 4,138.95 mi (6,661.00 km) |
| Niagara Falls to Hohenmolsen | 4,038.69 mi (6,499.65 km) |
| Niagara Falls to Hohenstein-Ernstthal | 4,074.48 mi (6,557.24 km) |
| Niagara Falls to Hohr-Grenzhausen | 3,896.11 mi (6,270.18 km) |
| Niagara Falls to Holzgerlingen | 4,009.88 mi (6,453.27 km) |
| Niagara Falls to Holzkirchen | 4,142.60 mi (6,666.87 km) |
| Niagara Falls to Holzminden | 3,916.75 mi (6,303.40 km) |
| Niagara Falls to Holzwickede | 3,858.83 mi (6,210.18 km) |
| Niagara Falls to Homburg | 3,920.59 mi (6,309.59 km) |
| Niagara Falls to Hoppegarten | 4,047.38 mi (6,513.63 km) |
| Niagara Falls to Horb am Neckar | 4,004.12 mi (6,444.00 km) |
| Niagara Falls to Horn-Bad Meinberg | 3,896.98 mi (6,271.58 km) |
| Niagara Falls to Horstel | 3,831.81 mi (6,166.71 km) |
| Niagara Falls to Hosbach | 3,969.74 mi (6,388.68 km) |
