| Bideford to Oberkirch | 573.88 mi (923.58 km) |
| Bideford to Obernburg am Main | 592.38 mi (953.34 km) |
| Bideford to Obernkirchen | 577.07 mi (928.71 km) |
| Bideford to Oberschleissheim | 729.79 mi (1,174.48 km) |
| Bideford to Oberstdorf | 698.35 mi (1,123.88 km) |
| Bideford to Obertraubling | 739.46 mi (1,190.05 km) |
| Bideford to Obertshausen | 575.67 mi (926.44 km) |
| Bideford to Oberursel | 562.71 mi (905.59 km) |
| Bideford to Ochsenfurt | 635.61 mi (1,022.92 km) |
| Bideford to Ochsenhausen | 665.25 mi (1,070.62 km) |
| Bideford to Ochtrup | 495.43 mi (797.31 km) |
| Bideford to Odenthal | 491.72 mi (791.34 km) |
| Bideford to Oelde | 534.79 mi (860.66 km) |
| Bideford to Oelsnitz | 716.11 mi (1,152.46 km) |
| Bideford to Oer-Erkenschwick | 496.12 mi (798.43 km) |
