| Diepholz to Obernburg am Main | 194.08 mi (312.33 km) |
| Diepholz to Obernkirchen | 39.29 mi (63.23 km) |
| Diepholz to Oberschleissheim | 332.21 mi (534.64 km) |
| Diepholz to Oberstdorf | 368.94 mi (593.75 km) |
| Diepholz to Obertraubling | 301.22 mi (484.77 km) |
| Diepholz to Obertshausen | 176.66 mi (284.31 km) |
| Diepholz to Oberursel | 166.33 mi (267.68 km) |
| Diepholz to Ochsenfurt | 217.13 mi (349.44 km) |
| Diepholz to Ochsenhausen | 320.94 mi (516.50 km) |
| Diepholz to Ochtrup | 56.98 mi (91.71 km) |
| Diepholz to Odenthal | 121.22 mi (195.09 km) |
| Diepholz to Oelde | 54.28 mi (87.36 km) |
| Diepholz to Oelsnitz | 222.53 mi (358.13 km) |
| Diepholz to Oer-Erkenschwick | 81.88 mi (131.77 km) |
| Diepholz to Oerlinghausen | 45.98 mi (74.00 km) |
