| Dunbar to Oberkirch | 682.03 mi (1,097.62 km) |
| Dunbar to Obernburg am Main | 644.38 mi (1,037.03 km) |
| Dunbar to Obernkirchen | 536.13 mi (862.82 km) |
| Dunbar to Oberschleissheim | 799.66 mi (1,286.92 km) |
| Dunbar to Oberstdorf | 805.38 mi (1,296.14 km) |
| Dunbar to Obertraubling | 783.51 mi (1,260.93 km) |
| Dunbar to Obertshausen | 623.60 mi (1,003.59 km) |
| Dunbar to Oberursel | 608.91 mi (979.95 km) |
| Dunbar to Ochsenfurt | 682.78 mi (1,098.82 km) |
| Dunbar to Ochsenhausen | 759.99 mi (1,223.08 km) |
| Dunbar to Ochtrup | 472.07 mi (759.72 km) |
| Dunbar to Odenthal | 523.10 mi (841.86 km) |
| Dunbar to Oelde | 520.08 mi (836.99 km) |
| Dunbar to Oelsnitz | 717.62 mi (1,154.90 km) |
| Dunbar to Oer-Erkenschwick | 498.72 mi (802.61 km) |
