| Idar-Oberstein to Homer Glen (Illinois) | 4,316.62 mi (6,946.92 km) |
| Idar-Oberstein to Homestead (Florida) | 4,799.46 mi (7,723.98 km) |
| Idar-Oberstein to Homewood (Alabama) | 4,667.52 mi (7,511.64 km) |
| Idar-Oberstein to Homewood (Illinois) | 4,307.92 mi (6,932.92 km) |
| Idar-Oberstein to Homosassa Springs (Florida) | 4,721.91 mi (7,599.19 km) |
| Idar-Oberstein to Honeygo (Maryland) | 3,966.30 mi (6,383.15 km) |
| Idar-Oberstein to Honolulu (Hawaii) | 7,444.54 mi (11,980.83 km) |
| Idar-Oberstein to Hoover (Alabama) | 4,671.67 mi (7,518.32 km) |
| Idar-Oberstein to Hopatcong (New Jersey) | 3,826.16 mi (6,157.61 km) |
| Idar-Oberstein to Hope Mills (North Carolina) | 4,274.00 mi (6,878.34 km) |
| Idar-Oberstein to Hopewell (Virginia) | 4,097.59 mi (6,594.43 km) |
| Idar-Oberstein to Hopkins (Minnesota) | 4,354.92 mi (7,008.57 km) |
| Idar-Oberstein to Hopkinsville (Kentucky) | 4,528.11 mi (7,287.29 km) |
| Idar-Oberstein to Horizon City (Texas) | 5,497.31 mi (8,847.07 km) |
| Idar-Oberstein to Horizon West (Florida) | 4,701.22 mi (7,565.88 km) |
