| Trittau to Oberkirch | 365.29 mi (587.88 km) |
| Trittau to Obernburg am Main | 266.43 mi (428.78 km) |
| Trittau to Obernkirchen | 107.49 mi (172.98 km) |
| Trittau to Oberschleissheim | 374.25 mi (602.30 km) |
| Trittau to Oberstdorf | 428.89 mi (690.24 km) |
| Trittau to Obertraubling | 330.26 mi (531.51 km) |
| Trittau to Obertshausen | 254.22 mi (409.13 km) |
| Trittau to Oberursel | 248.29 mi (399.59 km) |
| Trittau to Ochsenfurt | 274.44 mi (441.67 km) |
| Trittau to Ochsenhausen | 383.59 mi (617.33 km) |
| Trittau to Ochtrup | 165.48 mi (266.31 km) |
| Trittau to Odenthal | 225.97 mi (363.66 km) |
| Trittau to Oelde | 155.06 mi (249.54 km) |
| Trittau to Oelsnitz | 233.49 mi (375.77 km) |
| Trittau to Oer-Erkenschwick | 189.84 mi (305.52 km) |
