| Marshfield to Oberkirch | 4,330.13 mi (6,968.67 km) |
| Marshfield to Obernburg am Main | 4,312.87 mi (6,940.89 km) |
| Marshfield to Obernkirchen | 4,210.88 mi (6,776.76 km) |
| Marshfield to Oberschleissheim | 4,467.24 mi (7,189.33 km) |
| Marshfield to Oberstdorf | 4,457.95 mi (7,174.37 km) |
| Marshfield to Obertraubling | 4,456.81 mi (7,172.55 km) |
| Marshfield to Obertshausen | 4,292.47 mi (6,908.06 km) |
| Marshfield to Oberursel | 4,277.71 mi (6,884.32 km) |
| Marshfield to Ochsenfurt | 4,353.52 mi (7,006.32 km) |
| Marshfield to Ochsenhausen | 4,417.19 mi (7,108.77 km) |
| Marshfield to Ochtrup | 4,147.40 mi (6,674.59 km) |
| Marshfield to Odenthal | 4,192.14 mi (6,746.59 km) |
| Marshfield to Oelde | 4,195.54 mi (6,752.07 km) |
| Marshfield to Oelsnitz | 4,393.18 mi (7,070.15 km) |
| Marshfield to Oer-Erkenschwick | 4,172.17 mi (6,714.46 km) |
