| Dielheim to Obernburg am Main | 42.61 mi (68.58 km) |
| Dielheim to Obernkirchen | 206.85 mi (332.88 km) |
| Dielheim to Oberschleissheim | 147.37 mi (237.18 km) |
| Dielheim to Oberstdorf | 147.55 mi (237.46 km) |
| Dielheim to Obertraubling | 156.71 mi (252.20 km) |
| Dielheim to Obertshausen | 54.36 mi (87.49 km) |
| Dielheim to Oberursel | 64.01 mi (103.01 km) |
| Dielheim to Ochsenfurt | 64.98 mi (104.57 km) |
| Dielheim to Ochsenhausen | 100.28 mi (161.39 km) |
| Dielheim to Ochtrup | 212.94 mi (342.70 km) |
| Dielheim to Odenthal | 140.57 mi (226.23 km) |
| Dielheim to Oelde | 178.10 mi (286.63 km) |
| Dielheim to Oelsnitz | 171.79 mi (276.47 km) |
| Dielheim to Oer-Erkenschwick | 175.61 mi (282.61 km) |
| Dielheim to Oerlinghausen | 185.48 mi (298.51 km) |
