| Gilching to Obernburg am Main | 154.51 mi (248.65 km) |
| Gilching to Obernkirchen | 302.93 mi (487.52 km) |
| Gilching to Oberschleissheim | 15.59 mi (25.08 km) |
| Gilching to Oberstdorf | 67.79 mi (109.10 km) |
| Gilching to Obertraubling | 71.15 mi (114.51 km) |
| Gilching to Obertshausen | 175.31 mi (282.14 km) |
| Gilching to Oberursel | 189.88 mi (305.59 km) |
| Gilching to Ochsenfurt | 120.26 mi (193.54 km) |
| Gilching to Ochsenhausen | 62.50 mi (100.58 km) |
| Gilching to Ochtrup | 336.30 mi (541.22 km) |
| Gilching to Odenthal | 275.48 mi (443.35 km) |
| Gilching to Oelde | 292.81 mi (471.23 km) |
| Gilching to Oelsnitz | 164.06 mi (264.03 km) |
| Gilching to Oer-Erkenschwick | 303.34 mi (488.18 km) |
| Gilching to Oerlinghausen | 290.92 mi (468.19 km) |
