| Corning to Oberkirch | 3,939.29 mi (6,339.67 km) |
| Corning to Obernburg am Main | 3,938.75 mi (6,338.81 km) |
| Corning to Obernkirchen | 3,860.71 mi (6,213.21 km) |
| Corning to Oberschleissheim | 4,088.23 mi (6,579.37 km) |
| Corning to Oberstdorf | 4,065.81 mi (6,543.29 km) |
| Corning to Obertraubling | 4,086.95 mi (6,577.31 km) |
| Corning to Obertshausen | 3,919.31 mi (6,307.52 km) |
| Corning to Oberursel | 3,904.87 mi (6,284.28 km) |
| Corning to Ochsenfurt | 3,981.33 mi (6,407.34 km) |
| Corning to Ochsenhausen | 4,029.71 mi (6,485.20 km) |
| Corning to Ochtrup | 3,789.31 mi (6,098.31 km) |
| Corning to Odenthal | 3,821.84 mi (6,150.66 km) |
| Corning to Oelde | 3,837.26 mi (6,175.48 km) |
| Corning to Oelsnitz | 4,036.96 mi (6,496.86 km) |
| Corning to Oer-Erkenschwick | 3,808.54 mi (6,129.25 km) |
