| Durham to Oberkirch | 596.79 mi (960.44 km) |
| Durham to Obernburg am Main | 565.74 mi (910.47 km) |
| Durham to Obernkirchen | 471.56 mi (758.91 km) |
| Durham to Oberschleissheim | 720.91 mi (1,160.20 km) |
| Durham to Oberstdorf | 721.79 mi (1,161.60 km) |
| Durham to Obertraubling | 708.52 mi (1,140.26 km) |
| Durham to Obertshausen | 545.13 mi (877.31 km) |
| Durham to Oberursel | 530.37 mi (853.54 km) |
| Durham to Ochsenfurt | 605.63 mi (974.67 km) |
| Durham to Ochsenhausen | 677.37 mi (1,090.12 km) |
| Durham to Ochtrup | 401.27 mi (645.78 km) |
| Durham to Odenthal | 444.49 mi (715.33 km) |
| Durham to Oelde | 449.48 mi (723.36 km) |
| Durham to Oelsnitz | 649.05 mi (1,044.55 km) |
| Durham to Oer-Erkenschwick | 424.07 mi (682.47 km) |
