| Assen to Oberkirch | 315.64 mi (507.97 km) |
| Assen to Obernburg am Main | 244.86 mi (394.07 km) |
| Assen to Obernkirchen | 118.37 mi (190.50 km) |
| Assen to Oberschleissheim | 394.43 mi (634.77 km) |
| Assen to Oberstdorf | 419.55 mi (675.21 km) |
| Assen to Obertraubling | 369.96 mi (595.39 km) |
| Assen to Obertshausen | 224.84 mi (361.85 km) |
| Assen to Oberursel | 211.59 mi (340.53 km) |
| Assen to Ochsenfurt | 276.35 mi (444.75 km) |
| Assen to Ochsenhausen | 371.35 mi (597.62 km) |
| Assen to Ochtrup | 60.81 mi (97.86 km) |
| Assen to Odenthal | 137.88 mi (221.90 km) |
| Assen to Oelde | 104.64 mi (168.40 km) |
| Assen to Oelsnitz | 298.76 mi (480.81 km) |
| Assen to Oer-Erkenschwick | 98.16 mi (157.98 km) |
