| Merrick to Oberkirch | 3,859.47 mi (6,211.22 km) |
| Merrick to Obernburg am Main | 3,864.95 mi (6,220.03 km) |
| Merrick to Obernkirchen | 3,795.95 mi (6,108.99 km) |
| Merrick to Oberschleissheim | 4,011.71 mi (6,456.22 km) |
| Merrick to Oberstdorf | 3,984.73 mi (6,412.80 km) |
| Merrick to Obertraubling | 4,013.69 mi (6,459.41 km) |
| Merrick to Obertshausen | 3,845.98 mi (6,189.50 km) |
| Merrick to Oberursel | 3,831.75 mi (6,166.60 km) |
| Merrick to Ochsenfurt | 3,907.93 mi (6,289.21 km) |
| Merrick to Ochsenhausen | 3,950.53 mi (6,357.76 km) |
| Merrick to Ochtrup | 3,722.26 mi (5,990.41 km) |
| Merrick to Odenthal | 3,750.20 mi (6,035.36 km) |
| Merrick to Oelde | 3,769.80 mi (6,066.91 km) |
| Merrick to Oelsnitz | 3,968.85 mi (6,387.25 km) |
| Merrick to Oer-Erkenschwick | 3,739.38 mi (6,017.94 km) |
