| Attendorn to Obernburg am Main | 103.73 mi (166.94 km) |
| Attendorn to Obernkirchen | 95.03 mi (152.93 km) |
| Attendorn to Oberschleissheim | 257.03 mi (413.65 km) |
| Attendorn to Oberstdorf | 277.65 mi (446.83 km) |
| Attendorn to Obertraubling | 240.63 mi (387.26 km) |
| Attendorn to Obertshausen | 83.30 mi (134.06 km) |
| Attendorn to Oberursel | 69.73 mi (112.21 km) |
| Attendorn to Ochsenfurt | 139.21 mi (224.03 km) |
| Attendorn to Ochsenhausen | 229.46 mi (369.28 km) |
| Attendorn to Ochtrup | 81.15 mi (130.60 km) |
| Attendorn to Odenthal | 34.49 mi (55.50 km) |
| Attendorn to Oelde | 50.67 mi (81.54 km) |
| Attendorn to Oelsnitz | 192.59 mi (309.95 km) |
| Attendorn to Oer-Erkenschwick | 45.85 mi (73.79 km) |
| Attendorn to Oerlinghausen | 67.34 mi (108.37 km) |
