| Barnet to Oberkirch | 425.11 mi (684.15 km) |
| Barnet to Obernburg am Main | 426.68 mi (686.67 km) |
| Barnet to Obernkirchen | 398.78 mi (641.78 km) |
| Barnet to Oberschleissheim | 572.45 mi (921.28 km) |
| Barnet to Oberstdorf | 552.81 mi (889.66 km) |
| Barnet to Obertraubling | 575.42 mi (926.04 km) |
| Barnet to Obertshausen | 408.49 mi (657.40 km) |
| Barnet to Oberursel | 394.73 mi (635.26 km) |
| Barnet to Ochsenfurt | 469.96 mi (756.33 km) |
| Barnet to Ochsenhausen | 514.37 mi (827.80 km) |
| Barnet to Ochtrup | 317.12 mi (510.35 km) |
| Barnet to Odenthal | 318.47 mi (512.53 km) |
| Barnet to Oelde | 357.29 mi (575.00 km) |
| Barnet to Oelsnitz | 543.33 mi (874.41 km) |
| Barnet to Oer-Erkenschwick | 319.31 mi (513.88 km) |
