| Meridian to Oberkirch | 5,236.73 mi (8,427.69 km) |
| Meridian to Obernburg am Main | 5,194.63 mi (8,359.95 km) |
| Meridian to Obernkirchen | 5,061.47 mi (8,145.64 km) |
| Meridian to Oberschleissheim | 5,348.33 mi (8,607.30 km) |
| Meridian to Oberstdorf | 5,359.99 mi (8,626.07 km) |
| Meridian to Obertraubling | 5,324.12 mi (8,568.35 km) |
| Meridian to Obertshausen | 5,173.86 mi (8,326.53 km) |
| Meridian to Oberursel | 5,159.44 mi (8,303.32 km) |
| Meridian to Ochsenfurt | 5,230.08 mi (8,417.01 km) |
| Meridian to Ochsenhausen | 5,314.08 mi (8,552.18 km) |
| Meridian to Ochtrup | 5,013.87 mi (8,069.04 km) |
| Meridian to Odenthal | 5,074.72 mi (8,166.97 km) |
| Meridian to Oelde | 5,059.50 mi (8,142.48 km) |
| Meridian to Oelsnitz | 5,242.62 mi (8,437.18 km) |
| Meridian to Oer-Erkenschwick | 5,045.69 mi (8,120.25 km) |
