| Newark to Oberkirch | 3,882.02 mi (6,247.51 km) |
| Newark to Obernburg am Main | 3,886.75 mi (6,255.12 km) |
| Newark to Obernkirchen | 3,816.58 mi (6,142.19 km) |
| Newark to Oberschleissheim | 4,033.88 mi (6,491.90 km) |
| Newark to Oberstdorf | 4,007.46 mi (6,449.38 km) |
| Newark to Obertraubling | 4,035.45 mi (6,494.43 km) |
| Newark to Obertshausen | 3,867.72 mi (6,224.49 km) |
| Newark to Oberursel | 3,853.46 mi (6,201.54 km) |
| Newark to Ochsenfurt | 3,929.69 mi (6,324.23 km) |
| Newark to Ochsenhausen | 3,973.02 mi (6,393.96 km) |
| Newark to Ochtrup | 3,743.18 mi (6,024.06 km) |
| Newark to Odenthal | 3,771.70 mi (6,069.97 km) |
| Newark to Oelde | 3,790.77 mi (6,100.66 km) |
| Newark to Oelsnitz | 3,989.95 mi (6,421.20 km) |
| Newark to Oer-Erkenschwick | 3,760.56 mi (6,052.04 km) |
