| Blaydon to Oberkirch | 609.79 mi (981.36 km) |
| Blaydon to Obernburg am Main | 577.63 mi (929.60 km) |
| Blaydon to Obernkirchen | 481.02 mi (774.13 km) |
| Blaydon to Oberschleissheim | 732.88 mi (1,179.45 km) |
| Blaydon to Oberstdorf | 734.54 mi (1,182.13 km) |
| Blaydon to Obertraubling | 719.87 mi (1,158.52 km) |
| Blaydon to Obertshausen | 556.98 mi (896.38 km) |
| Blaydon to Oberursel | 542.22 mi (872.63 km) |
| Blaydon to Ochsenfurt | 617.29 mi (993.43 km) |
| Blaydon to Ochsenhausen | 689.95 mi (1,110.37 km) |
| Blaydon to Ochtrup | 411.70 mi (662.56 km) |
| Blaydon to Odenthal | 456.30 mi (734.35 km) |
| Blaydon to Oelde | 459.93 mi (740.18 km) |
| Blaydon to Oelsnitz | 659.32 mi (1,061.07 km) |
| Blaydon to Oer-Erkenschwick | 435.18 mi (700.36 km) |
