| Unicov to Oestrich-Winkel | 406.13 mi (653.60 km) |
| Unicov to Offenburg | 424.87 mi (683.76 km) |
| Unicov to Oftersheim | 383.30 mi (616.87 km) |
| Unicov to Ohrdruf | 291.17 mi (468.59 km) |
| Unicov to Ohringen | 344.21 mi (553.96 km) |
| Unicov to Olbernhau | 178.52 mi (287.30 km) |
| Unicov to Olching | 284.61 mi (458.03 km) |
| Unicov to Oldenburg | 448.28 mi (721.43 km) |
| Unicov to Oldenburg in Holstein | 409.84 mi (659.58 km) |
| Unicov to Olfen | 446.09 mi (717.91 km) |
| Unicov to Olpe | 417.78 mi (672.35 km) |
| Unicov to Olsberg | 394.27 mi (634.52 km) |
| Unicov to Oranienburg | 265.82 mi (427.79 km) |
| Unicov to Ortenberg | 359.86 mi (579.14 km) |
| Unicov to Oschatz | 205.49 mi (330.71 km) |
