| Hellesdon to Oberkirch | 412.78 mi (664.31 km) |
| Hellesdon to Obernburg am Main | 392.28 mi (631.32 km) |
| Hellesdon to Obernkirchen | 332.10 mi (534.46 km) |
| Hellesdon to Oberschleissheim | 545.40 mi (877.74 km) |
| Hellesdon to Oberstdorf | 539.27 mi (867.88 km) |
| Hellesdon to Obertraubling | 539.50 mi (868.25 km) |
| Hellesdon to Obertshausen | 372.36 mi (599.25 km) |
| Hellesdon to Oberursel | 357.75 mi (575.75 km) |
| Hellesdon to Ochsenfurt | 434.23 mi (698.82 km) |
| Hellesdon to Ochsenhausen | 496.34 mi (798.78 km) |
| Hellesdon to Ochtrup | 252.02 mi (405.59 km) |
| Hellesdon to Odenthal | 274.04 mi (441.03 km) |
| Hellesdon to Oelde | 297.15 mi (478.22 km) |
| Hellesdon to Oelsnitz | 493.29 mi (793.87 km) |
| Hellesdon to Oer-Erkenschwick | 263.64 mi (424.28 km) |
