| East Barnet to Oberkirch | 423.67 mi (681.83 km) |
| East Barnet to Obernburg am Main | 425.12 mi (684.17 km) |
| East Barnet to Obernkirchen | 397.25 mi (639.31 km) |
| East Barnet to Oberschleissheim | 570.94 mi (918.84 km) |
| East Barnet to Oberstdorf | 551.37 mi (887.34 km) |
| East Barnet to Obertraubling | 573.87 mi (923.55 km) |
| East Barnet to Obertshausen | 406.93 mi (654.89 km) |
| East Barnet to Oberursel | 393.17 mi (632.75 km) |
| East Barnet to Ochsenfurt | 468.41 mi (753.83 km) |
| East Barnet to Ochsenhausen | 512.90 mi (825.43 km) |
| East Barnet to Ochtrup | 315.59 mi (507.89 km) |
| East Barnet to Odenthal | 316.90 mi (510.00 km) |
| East Barnet to Oelde | 355.73 mi (572.50 km) |
| East Barnet to Oelsnitz | 541.76 mi (871.87 km) |
| East Barnet to Oer-Erkenschwick | 317.74 mi (511.36 km) |
