| Millbrook to Oberkirch | 4,763.69 mi (7,666.42 km) |
| Millbrook to Obernburg am Main | 4,767.36 mi (7,672.33 km) |
| Millbrook to Obernkirchen | 4,694.23 mi (7,554.63 km) |
| Millbrook to Oberschleissheim | 4,915.09 mi (7,910.07 km) |
| Millbrook to Oberstdorf | 4,889.27 mi (7,868.52 km) |
| Millbrook to Obertraubling | 4,915.96 mi (7,911.48 km) |
| Millbrook to Obertshausen | 4,748.21 mi (7,641.51 km) |
| Millbrook to Oberursel | 4,733.90 mi (7,618.47 km) |
| Millbrook to Ochsenfurt | 4,810.22 mi (7,741.29 km) |
| Millbrook to Ochsenhausen | 4,854.62 mi (7,812.76 km) |
| Millbrook to Ochtrup | 4,621.71 mi (7,437.92 km) |
| Millbrook to Odenthal | 4,651.73 mi (7,486.24 km) |
| Millbrook to Oelde | 4,669.47 mi (7,514.78 km) |
| Millbrook to Oelsnitz | 4,868.92 mi (7,835.77 km) |
| Millbrook to Oer-Erkenschwick | 4,639.83 mi (7,467.09 km) |
