| Purmerend to Oberkirch | 306.63 mi (493.47 km) |
| Purmerend to Obernburg am Main | 258.28 mi (415.66 km) |
| Purmerend to Obernkirchen | 176.48 mi (284.02 km) |
| Purmerend to Oberschleissheim | 413.49 mi (665.45 km) |
| Purmerend to Oberstdorf | 423.80 mi (682.03 km) |
| Purmerend to Obertraubling | 398.73 mi (641.69 km) |
| Purmerend to Obertshausen | 237.48 mi (382.19 km) |
| Purmerend to Oberursel | 222.83 mi (358.61 km) |
| Purmerend to Ochsenfurt | 296.71 mi (477.51 km) |
| Purmerend to Ochsenhausen | 377.01 mi (606.73 km) |
| Purmerend to Ochtrup | 96.70 mi (155.63 km) |
| Purmerend to Odenthal | 137.29 mi (220.95 km) |
| Purmerend to Oelde | 143.21 mi (230.47 km) |
| Purmerend to Oelsnitz | 342.21 mi (550.73 km) |
| Purmerend to Oer-Erkenschwick | 114.28 mi (183.91 km) |
