| Plainview to Oberkirch | 3,850.58 mi (6,196.92 km) |
| Plainview to Obernburg am Main | 3,855.92 mi (6,205.51 km) |
| Plainview to Obernkirchen | 3,786.73 mi (6,094.15 km) |
| Plainview to Oberschleissheim | 4,002.75 mi (6,441.80 km) |
| Plainview to Oberstdorf | 3,975.88 mi (6,398.56 km) |
| Plainview to Obertraubling | 4,004.66 mi (6,444.87 km) |
| Plainview to Obertshausen | 3,836.94 mi (6,174.96 km) |
| Plainview to Oberursel | 3,822.70 mi (6,152.05 km) |
| Plainview to Ochsenfurt | 3,898.90 mi (6,274.67 km) |
| Plainview to Ochsenhausen | 3,941.63 mi (6,343.44 km) |
| Plainview to Ochtrup | 3,713.09 mi (5,975.64 km) |
| Plainview to Odenthal | 3,741.12 mi (6,020.75 km) |
| Plainview to Oelde | 3,760.63 mi (6,052.15 km) |
| Plainview to Oelsnitz | 3,959.71 mi (6,372.53 km) |
| Plainview to Oer-Erkenschwick | 3,730.24 mi (6,003.25 km) |
