| Altenburg to Oestrich-Winkel | 206.37 mi (332.12 km) |
| Altenburg to Offenburg | 265.76 mi (427.70 km) |
| Altenburg to Oftersheim | 203.53 mi (327.55 km) |
| Altenburg to Ohrdruf | 74.88 mi (120.50 km) |
| Altenburg to Ohringen | 179.19 mi (288.37 km) |
| Altenburg to Olbernhau | 45.02 mi (72.45 km) |
| Altenburg to Olching | 198.81 mi (319.96 km) |
| Altenburg to Oldenburg | 233.11 mi (375.16 km) |
| Altenburg to Oldenburg in Holstein | 238.07 mi (383.13 km) |
| Altenburg to Olfen | 223.66 mi (359.94 km) |
| Altenburg to Olpe | 199.99 mi (321.86 km) |
| Altenburg to Olsberg | 172.96 mi (278.35 km) |
| Altenburg to Oranienburg | 126.97 mi (204.33 km) |
| Altenburg to Ortenberg | 154.16 mi (248.10 km) |
| Altenburg to Oschatz | 36.44 mi (58.65 km) |