| Huber Heights to Oberkirch | 4,322.66 mi (6,956.65 km) |
| Huber Heights to Obernburg am Main | 4,318.52 mi (6,949.98 km) |
| Huber Heights to Obernkirchen | 4,234.64 mi (6,815.00 km) |
| Huber Heights to Oberschleissheim | 4,469.42 mi (7,192.84 km) |
| Huber Heights to Oberstdorf | 4,449.72 mi (7,161.14 km) |
| Huber Heights to Obertraubling | 4,466.11 mi (7,187.51 km) |
| Huber Heights to Obertshausen | 4,298.81 mi (6,918.27 km) |
| Huber Heights to Oberursel | 4,284.27 mi (6,894.86 km) |
| Huber Heights to Ochsenfurt | 4,360.77 mi (7,017.98 km) |
| Huber Heights to Ochsenhausen | 4,412.58 mi (7,101.36 km) |
| Huber Heights to Ochtrup | 4,164.98 mi (6,702.88 km) |
| Huber Heights to Odenthal | 4,200.45 mi (6,759.97 km) |
| Huber Heights to Oelde | 4,213.10 mi (6,780.33 km) |
| Huber Heights to Oelsnitz | 4,412.83 mi (7,101.77 km) |
| Huber Heights to Oer-Erkenschwick | 4,185.57 mi (6,736.03 km) |
