| Garbsen to Obernburg am Main | 179.24 mi (288.46 km) |
| Garbsen to Obernkirchen | 22.83 mi (36.74 km) |
| Garbsen to Oberschleissheim | 300.77 mi (484.05 km) |
| Garbsen to Oberstdorf | 347.38 mi (559.05 km) |
| Garbsen to Obertraubling | 263.67 mi (424.34 km) |
| Garbsen to Obertshausen | 165.81 mi (266.85 km) |
| Garbsen to Oberursel | 159.27 mi (256.31 km) |
| Garbsen to Ochsenfurt | 192.35 mi (309.56 km) |
| Garbsen to Ochsenhausen | 300.68 mi (483.90 km) |
| Garbsen to Ochtrup | 102.76 mi (165.37 km) |
| Garbsen to Odenthal | 142.94 mi (230.04 km) |
| Garbsen to Oelde | 73.53 mi (118.33 km) |
| Garbsen to Oelsnitz | 177.11 mi (285.03 km) |
| Garbsen to Oer-Erkenschwick | 113.27 mi (182.29 km) |
| Garbsen to Oerlinghausen | 50.30 mi (80.95 km) |
