| Altenberge to Oestrich-Winkel | 143.25 mi (230.53 km) |
| Altenberge to Offenburg | 248.15 mi (399.36 km) |
| Altenberge to Oftersheim | 191.21 mi (307.72 km) |
| Altenberge to Ohrdruf | 163.94 mi (263.84 km) |
| Altenberge to Ohringen | 215.89 mi (347.44 km) |
| Altenberge to Olbernhau | 270.43 mi (435.21 km) |
| Altenberge to Olching | 315.67 mi (508.03 km) |
| Altenberge to Oldenburg | 82.12 mi (132.16 km) |
| Altenberge to Oldenburg in Holstein | 210.42 mi (338.64 km) |
| Altenberge to Olfen | 23.01 mi (37.02 km) |
| Altenberge to Olpe | 72.84 mi (117.23 km) |
| Altenberge to Olsberg | 64.90 mi (104.44 km) |
| Altenberge to Oranienburg | 248.12 mi (399.31 km) |
| Altenberge to Ortenberg | 135.54 mi (218.13 km) |
| Altenberge to Oschatz | 247.10 mi (397.67 km) |
