| Morris to Oberkirch | 4,419.50 mi (7,112.50 km) |
| Morris to Obernburg am Main | 4,408.69 mi (7,095.10 km) |
| Morris to Obernkirchen | 4,315.32 mi (6,944.84 km) |
| Morris to Oberschleissheim | 4,561.67 mi (7,341.30 km) |
| Morris to Oberstdorf | 4,547.20 mi (7,318.02 km) |
| Morris to Obertraubling | 4,554.72 mi (7,330.11 km) |
| Morris to Obertshausen | 4,388.59 mi (7,062.75 km) |
| Morris to Oberursel | 4,373.90 mi (7,039.12 km) |
| Morris to Ochsenfurt | 4,450.21 mi (7,161.92 km) |
| Morris to Ochsenhausen | 4,508.16 mi (7,255.18 km) |
| Morris to Ochtrup | 4,248.70 mi (6,837.62 km) |
| Morris to Odenthal | 4,289.01 mi (6,902.49 km) |
| Morris to Oelde | 4,296.94 mi (6,915.25 km) |
| Morris to Oelsnitz | 4,496.01 mi (7,235.63 km) |
| Morris to Oer-Erkenschwick | 4,271.49 mi (6,874.30 km) |
