| North Plainfield to Oberkirch | 3,897.42 mi (6,272.29 km) |
| North Plainfield to Obernburg am Main | 3,902.05 mi (6,279.74 km) |
| North Plainfield to Obernkirchen | 3,831.71 mi (6,166.54 km) |
| North Plainfield to Oberschleissheim | 4,049.23 mi (6,516.60 km) |
| North Plainfield to Oberstdorf | 4,022.88 mi (6,474.20 km) |
| North Plainfield to Obertraubling | 4,050.74 mi (6,519.04 km) |
| North Plainfield to Obertshausen | 3,883.01 mi (6,249.10 km) |
| North Plainfield to Oberursel | 3,868.75 mi (6,226.14 km) |
| North Plainfield to Ochsenfurt | 3,944.99 mi (6,348.84 km) |
| North Plainfield to Ochsenhausen | 3,988.41 mi (6,418.73 km) |
| North Plainfield to Ochtrup | 3,758.35 mi (6,048.48 km) |
| North Plainfield to Odenthal | 3,786.96 mi (6,094.53 km) |
| North Plainfield to Oelde | 3,805.96 mi (6,125.09 km) |
| North Plainfield to Oelsnitz | 4,005.15 mi (6,445.67 km) |
| North Plainfield to Oer-Erkenschwick | 3,775.78 mi (6,076.53 km) |
