| Placentia to Oberkirch | 5,841.45 mi (9,400.90 km) |
| Placentia to Obernburg am Main | 5,806.56 mi (9,344.76 km) |
| Placentia to Obernkirchen | 5,681.12 mi (9,142.87 km) |
| Placentia to Oberschleissheim | 5,961.50 mi (9,594.10 km) |
| Placentia to Oberstdorf | 5,966.96 mi (9,602.89 km) |
| Placentia to Obertraubling | 5,941.04 mi (9,561.19 km) |
| Placentia to Obertshausen | 5,785.76 mi (9,311.27 km) |
| Placentia to Oberursel | 5,771.14 mi (9,287.75 km) |
| Placentia to Ochsenfurt | 5,843.76 mi (9,404.62 km) |
| Placentia to Ochsenhausen | 5,922.32 mi (9,531.05 km) |
| Placentia to Ochtrup | 5,628.87 mi (9,058.80 km) |
| Placentia to Odenthal | 5,685.57 mi (9,150.04 km) |
| Placentia to Oelde | 5,675.53 mi (9,133.88 km) |
| Placentia to Oelsnitz | 5,863.83 mi (9,436.92 km) |
| Placentia to Oer-Erkenschwick | 5,658.94 mi (9,107.19 km) |
