| Mazarron to Oberkirch | 890.58 mi (1,433.24 km) |
| Mazarron to Obernburg am Main | 991.84 mi (1,596.21 km) |
| Mazarron to Obernkirchen | 1,132.00 mi (1,821.78 km) |
| Mazarron to Oberschleissheim | 980.35 mi (1,577.72 km) |
| Mazarron to Oberstdorf | 897.06 mi (1,443.68 km) |
| Mazarron to Obertraubling | 1,034.47 mi (1,664.82 km) |
| Mazarron to Obertshausen | 996.90 mi (1,604.35 km) |
| Mazarron to Oberursel | 998.49 mi (1,606.91 km) |
| Mazarron to Ochsenfurt | 1,006.18 mi (1,619.29 km) |
| Mazarron to Ochsenhausen | 919.55 mi (1,479.87 km) |
| Mazarron to Ochtrup | 1,089.92 mi (1,754.06 km) |
| Mazarron to Odenthal | 1,015.95 mi (1,635.01 km) |
| Mazarron to Oelde | 1,085.65 mi (1,747.18 km) |
| Mazarron to Oelsnitz | 1,106.83 mi (1,781.27 km) |
| Mazarron to Oer-Erkenschwick | 1,056.08 mi (1,699.60 km) |
