| Darwen to Oberkirch | 579.09 mi (931.96 km) |
| Darwen to Obernburg am Main | 562.22 mi (904.81 km) |
| Darwen to Obernkirchen | 491.12 mi (790.39 km) |
| Darwen to Oberschleissheim | 715.17 mi (1,150.95 km) |
| Darwen to Oberstdorf | 706.46 mi (1,136.94 km) |
| Darwen to Obertraubling | 709.28 mi (1,141.47 km) |
| Darwen to Obertshausen | 542.28 mi (872.71 km) |
| Darwen to Oberursel | 527.66 mi (849.18 km) |
| Darwen to Ochsenfurt | 604.11 mi (972.23 km) |
| Darwen to Ochsenhausen | 664.59 mi (1,069.55 km) |
| Darwen to Ochtrup | 414.42 mi (666.95 km) |
| Darwen to Odenthal | 443.58 mi (713.87 km) |
| Darwen to Oelde | 461.44 mi (742.61 km) |
| Darwen to Oelsnitz | 660.04 mi (1,062.23 km) |
| Darwen to Oer-Erkenschwick | 430.57 mi (692.94 km) |
