| Trinity to Oberkirch | 4,818.37 mi (7,754.42 km) |
| Trinity to Obernburg am Main | 4,832.11 mi (7,776.54 km) |
| Trinity to Obernkirchen | 4,774.20 mi (7,683.33 km) |
| Trinity to Oberschleissheim | 4,974.42 mi (8,005.55 km) |
| Trinity to Oberstdorf | 4,940.98 mi (7,951.73 km) |
| Trinity to Obertraubling | 4,980.80 mi (8,015.82 km) |
| Trinity to Obertshausen | 4,813.86 mi (7,747.16 km) |
| Trinity to Oberursel | 4,799.97 mi (7,724.81 km) |
| Trinity to Ochsenfurt | 4,875.40 mi (7,846.20 km) |
| Trinity to Ochsenhausen | 4,909.80 mi (7,901.56 km) |
| Trinity to Ochtrup | 4,698.32 mi (7,561.21 km) |
| Trinity to Odenthal | 4,720.71 mi (7,597.24 km) |
| Trinity to Oelde | 4,745.17 mi (7,636.62 km) |
| Trinity to Oelsnitz | 4,942.59 mi (7,954.33 km) |
| Trinity to Oer-Erkenschwick | 4,712.92 mi (7,584.72 km) |
