| Huelva to Oberkirch | 1,085.64 mi (1,747.17 km) |
| Huelva to Obernburg am Main | 1,180.84 mi (1,900.38 km) |
| Huelva to Obernkirchen | 1,296.84 mi (2,087.06 km) |
| Huelva to Oberschleissheim | 1,202.92 mi (1,935.92 km) |
| Huelva to Oberstdorf | 1,121.39 mi (1,804.70 km) |
| Huelva to Obertraubling | 1,252.73 mi (2,016.07 km) |
| Huelva to Obertshausen | 1,181.12 mi (1,900.84 km) |
| Huelva to Oberursel | 1,179.26 mi (1,897.83 km) |
| Huelva to Ochsenfurt | 1,203.96 mi (1,937.59 km) |
| Huelva to Ochsenhausen | 1,134.03 mi (1,825.05 km) |
| Huelva to Ochtrup | 1,239.97 mi (1,995.54 km) |
| Huelva to Odenthal | 1,176.10 mi (1,892.75 km) |
| Huelva to Oelde | 1,246.98 mi (2,006.81 km) |
| Huelva to Oelsnitz | 1,310.07 mi (2,108.36 km) |
| Huelva to Oer-Erkenschwick | 1,211.70 mi (1,950.04 km) |
