| Dietzenbach to Obernburg am Main | 20.07 mi (32.30 km) |
| Dietzenbach to Obernkirchen | 156.11 mi (251.24 km) |
| Dietzenbach to Oberschleissheim | 175.29 mi (282.10 km) |
| Dietzenbach to Oberstdorf | 192.59 mi (309.95 km) |
| Dietzenbach to Obertraubling | 168.30 mi (270.86 km) |
| Dietzenbach to Obertshausen | 4.11 mi (6.61 km) |
| Dietzenbach to Oberursel | 15.81 mi (25.44 km) |
| Dietzenbach to Ochsenfurt | 62.56 mi (100.67 km) |
| Dietzenbach to Ochsenhausen | 144.33 mi (232.28 km) |
| Dietzenbach to Ochtrup | 166.27 mi (267.58 km) |
| Dietzenbach to Odenthal | 101.45 mi (163.27 km) |
| Dietzenbach to Oelde | 128.51 mi (206.81 km) |
| Dietzenbach to Oelsnitz | 152.10 mi (244.79 km) |
| Dietzenbach to Oer-Erkenschwick | 130.71 mi (210.36 km) |
| Dietzenbach to Oerlinghausen | 134.83 mi (216.98 km) |
