| Altenholz to Obernburg am Main | 317.85 mi (511.54 km) |
| Altenholz to Obernkirchen | 153.25 mi (246.64 km) |
| Altenholz to Oberschleissheim | 429.38 mi (691.02 km) |
| Altenholz to Oberstdorf | 483.02 mi (777.35 km) |
| Altenholz to Obertraubling | 385.40 mi (620.24 km) |
| Altenholz to Obertshausen | 304.40 mi (489.88 km) |
| Altenholz to Oberursel | 297.31 mi (478.47 km) |
| Altenholz to Ochsenfurt | 328.21 mi (528.20 km) |
| Altenholz to Ochsenhausen | 437.28 mi (703.74 km) |
| Altenholz to Ochtrup | 194.27 mi (312.64 km) |
| Altenholz to Odenthal | 264.61 mi (425.85 km) |
| Altenholz to Oelde | 195.47 mi (314.57 km) |
| Altenholz to Oelsnitz | 288.22 mi (463.85 km) |
| Altenholz to Oer-Erkenschwick | 225.03 mi (362.16 km) |
| Altenholz to Oerlinghausen | 178.74 mi (287.66 km) |
