| Hopkins to Oberkirch | 4,433.31 mi (7,134.72 km) |
| Hopkins to Obernburg am Main | 4,412.55 mi (7,101.32 km) |
| Hopkins to Obernkirchen | 4,305.84 mi (6,929.58 km) |
| Hopkins to Oberschleissheim | 4,567.43 mi (7,350.57 km) |
| Hopkins to Oberstdorf | 4,560.97 mi (7,340.18 km) |
| Hopkins to Obertraubling | 4,555.08 mi (7,330.69 km) |
| Hopkins to Obertshausen | 4,392.02 mi (7,068.27 km) |
| Hopkins to Oberursel | 4,377.25 mi (7,044.51 km) |
| Hopkins to Ochsenfurt | 4,452.65 mi (7,165.85 km) |
| Hopkins to Ochsenhausen | 4,519.35 mi (7,273.20 km) |
| Hopkins to Ochtrup | 4,244.29 mi (6,830.52 km) |
| Hopkins to Odenthal | 4,291.45 mi (6,906.42 km) |
| Hopkins to Oelde | 4,292.28 mi (6,907.76 km) |
| Hopkins to Oelsnitz | 4,488.75 mi (7,223.95 km) |
| Hopkins to Oer-Erkenschwick | 4,270.14 mi (6,872.13 km) |
