| Buckley to Oberkirch | 582.17 mi (936.91 km) |
| Buckley to Obernburg am Main | 573.09 mi (922.29 km) |
| Buckley to Obernkirchen | 513.92 mi (827.08 km) |
| Buckley to Oberschleissheim | 723.82 mi (1,164.88 km) |
| Buckley to Oberstdorf | 709.99 mi (1,142.62 km) |
| Buckley to Obertraubling | 721.35 mi (1,160.90 km) |
| Buckley to Obertshausen | 553.66 mi (891.03 km) |
| Buckley to Oberursel | 539.25 mi (867.84 km) |
| Buckley to Ochsenfurt | 615.68 mi (990.85 km) |
| Buckley to Ochsenhausen | 669.76 mi (1,077.88 km) |
| Buckley to Ochtrup | 435.13 mi (700.28 km) |
| Buckley to Odenthal | 457.05 mi (735.55 km) |
| Buckley to Oelde | 481.01 mi (774.11 km) |
| Buckley to Oelsnitz | 677.53 mi (1,090.39 km) |
| Buckley to Oer-Erkenschwick | 447.90 mi (720.82 km) |
