| Parsippany to Oberkirch | 3,886.04 mi (6,253.98 km) |
| Parsippany to Obernburg am Main | 3,890.29 mi (6,260.82 km) |
| Parsippany to Obernkirchen | 3,819.40 mi (6,146.73 km) |
| Parsippany to Oberschleissheim | 4,037.65 mi (6,497.97 km) |
| Parsippany to Oberstdorf | 4,011.59 mi (6,456.04 km) |
| Parsippany to Obertraubling | 4,038.96 mi (6,500.08 km) |
| Parsippany to Obertshausen | 3,871.22 mi (6,230.13 km) |
| Parsippany to Oberursel | 3,856.94 mi (6,207.15 km) |
| Parsippany to Ochsenfurt | 3,933.20 mi (6,329.88 km) |
| Parsippany to Ochsenhausen | 3,977.00 mi (6,400.36 km) |
| Parsippany to Ochtrup | 3,746.17 mi (6,028.88 km) |
| Parsippany to Odenthal | 3,775.06 mi (6,075.37 km) |
| Parsippany to Oelde | 3,793.80 mi (6,105.54 km) |
| Parsippany to Oelsnitz | 3,993.05 mi (6,426.19 km) |
| Parsippany to Oer-Erkenschwick | 3,763.72 mi (6,057.13 km) |
