| Birkerod to Obernburg am Main | 436.17 mi (701.95 km) |
| Birkerod to Obernkirchen | 280.68 mi (451.71 km) |
| Birkerod to Oberschleissheim | 525.24 mi (845.29 km) |
| Birkerod to Oberstdorf | 589.23 mi (948.27 km) |
| Birkerod to Obertraubling | 474.63 mi (763.84 km) |
| Birkerod to Obertshausen | 425.54 mi (684.84 km) |
| Birkerod to Oberursel | 420.56 mi (676.83 km) |
| Birkerod to Ochsenfurt | 438.48 mi (705.66 km) |
| Birkerod to Ochsenhausen | 546.49 mi (879.49 km) |
| Birkerod to Ochtrup | 328.63 mi (528.88 km) |
| Birkerod to Odenthal | 397.09 mi (639.06 km) |
| Birkerod to Oelde | 326.79 mi (525.92 km) |
| Birkerod to Oelsnitz | 374.41 mi (602.56 km) |
| Birkerod to Oer-Erkenschwick | 358.55 mi (577.04 km) |
| Birkerod to Oerlinghausen | 307.93 mi (495.56 km) |
