| Ovar to Oberkirch | 973.79 mi (1,567.16 km) |
| Ovar to Obernburg am Main | 1,058.29 mi (1,703.16 km) |
| Ovar to Obernkirchen | 1,148.12 mi (1,847.72 km) |
| Ovar to Oberschleissheim | 1,113.02 mi (1,791.23 km) |
| Ovar to Oberstdorf | 1,037.44 mi (1,669.60 km) |
| Ovar to Obertraubling | 1,155.99 mi (1,860.38 km) |
| Ovar to Obertshausen | 1,054.17 mi (1,696.52 km) |
| Ovar to Oberursel | 1,049.26 mi (1,688.62 km) |
| Ovar to Ochsenfurt | 1,088.65 mi (1,752.01 km) |
| Ovar to Ochsenhausen | 1,038.91 mi (1,671.96 km) |
| Ovar to Ochtrup | 1,081.43 mi (1,740.39 km) |
| Ovar to Odenthal | 1,028.45 mi (1,655.13 km) |
| Ovar to Oelde | 1,097.27 mi (1,765.88 km) |
| Ovar to Oelsnitz | 1,195.65 mi (1,924.21 km) |
| Ovar to Oer-Erkenschwick | 1,058.76 mi (1,703.92 km) |
