| Achim to Obernburg am Main | 222.89 mi (358.71 km) |
| Achim to Obernkirchen | 55.31 mi (89.01 km) |
| Achim to Oberschleissheim | 350.65 mi (564.32 km) |
| Achim to Oberstdorf | 394.60 mi (635.05 km) |
| Achim to Obertraubling | 314.20 mi (505.66 km) |
| Achim to Obertshausen | 207.36 mi (333.72 km) |
| Achim to Oberursel | 198.71 mi (319.80 km) |
| Achim to Ochsenfurt | 240.14 mi (386.46 km) |
| Achim to Ochsenhausen | 347.31 mi (558.93 km) |
| Achim to Ochtrup | 97.50 mi (156.90 km) |
| Achim to Odenthal | 162.31 mi (261.22 km) |
| Achim to Oelde | 92.91 mi (149.52 km) |
| Achim to Oelsnitz | 226.78 mi (364.97 km) |
| Achim to Oer-Erkenschwick | 123.82 mi (199.26 km) |
| Achim to Oerlinghausen | 77.46 mi (124.66 km) |
