| Middlesbrough to Oberkirch | 577.54 mi (929.46 km) |
| Middlesbrough to Obernburg am Main | 546.95 mi (880.23 km) |
| Middlesbrough to Obernkirchen | 454.67 mi (731.72 km) |
| Middlesbrough to Oberschleissheim | 702.07 mi (1,129.88 km) |
| Middlesbrough to Oberstdorf | 702.59 mi (1,130.71 km) |
| Middlesbrough to Obertraubling | 690.07 mi (1,110.55 km) |
| Middlesbrough to Obertshausen | 526.37 mi (847.10 km) |
| Middlesbrough to Oberursel | 511.60 mi (823.34 km) |
| Middlesbrough to Ochsenfurt | 586.97 mi (944.64 km) |
| Middlesbrough to Ochsenhausen | 658.23 mi (1,059.32 km) |
| Middlesbrough to Ochtrup | 383.56 mi (617.28 km) |
| Middlesbrough to Odenthal | 425.75 mi (685.19 km) |
| Middlesbrough to Oelde | 431.73 mi (694.80 km) |
| Middlesbrough to Oelsnitz | 631.41 mi (1,016.15 km) |
| Middlesbrough to Oer-Erkenschwick | 405.81 mi (653.09 km) |
