| Askim to Oberkirch | 773.65 mi (1,245.07 km) |
| Askim to Obernburg am Main | 678.16 mi (1,091.39 km) |
| Askim to Obernkirchen | 511.88 mi (823.79 km) |
| Askim to Oberschleissheim | 783.41 mi (1,260.78 km) |
| Askim to Oberstdorf | 842.08 mi (1,355.20 km) |
| Askim to Obertraubling | 734.87 mi (1,182.66 km) |
| Askim to Obertshausen | 664.16 mi (1,068.87 km) |
| Askim to Oberursel | 656.30 mi (1,056.21 km) |
| Askim to Ochsenfurt | 687.91 mi (1,107.09 km) |
| Askim to Ochsenhausen | 797.06 mi (1,282.74 km) |
| Askim to Ochtrup | 532.50 mi (856.98 km) |
| Askim to Odenthal | 611.77 mi (984.55 km) |
| Askim to Oelde | 548.27 mi (882.35 km) |
| Askim to Oelsnitz | 634.76 mi (1,021.54 km) |
| Askim to Oer-Erkenschwick | 569.53 mi (916.57 km) |
