| Altenholz to Oestrich-Winkel | 317.11 mi (510.34 km) |
| Altenholz to Offenburg | 420.71 mi (677.06 km) |
| Altenholz to Oftersheim | 353.69 mi (569.22 km) |
| Altenholz to Ohrdruf | 248.07 mi (399.23 km) |
| Altenholz to Ohringen | 360.30 mi (579.84 km) |
| Altenholz to Olbernhau | 290.83 mi (468.05 km) |
| Altenholz to Olching | 431.40 mi (694.27 km) |
| Altenholz to Oldenburg | 116.93 mi (188.18 km) |
| Altenholz to Oldenburg in Holstein | 30.98 mi (49.86 km) |
| Altenholz to Olfen | 217.71 mi (350.36 km) |
| Altenholz to Olpe | 252.78 mi (406.81 km) |
| Altenholz to Olsberg | 221.67 mi (356.74 km) |
| Altenholz to Oranienburg | 170.67 mi (274.67 km) |
| Altenholz to Ortenberg | 283.09 mi (455.59 km) |
| Altenholz to Oschatz | 247.47 mi (398.26 km) |
