| Geisenfeld to Obernburg am Main | 137.34 mi (221.03 km) |
| Geisenfeld to Obernkirchen | 271.58 mi (437.06 km) |
| Geisenfeld to Oberschleissheim | 28.83 mi (46.40 km) |
| Geisenfeld to Oberstdorf | 106.14 mi (170.81 km) |
| Geisenfeld to Obertraubling | 33.05 mi (53.19 km) |
| Geisenfeld to Obertshausen | 157.63 mi (253.69 km) |
| Geisenfeld to Oberursel | 172.38 mi (277.42 km) |
| Geisenfeld to Ochsenfurt | 97.03 mi (156.16 km) |
| Geisenfeld to Ochsenhausen | 86.23 mi (138.78 km) |
| Geisenfeld to Ochtrup | 312.04 mi (502.19 km) |
| Geisenfeld to Odenthal | 258.05 mi (415.29 km) |
| Geisenfeld to Oelde | 266.58 mi (429.03 km) |
| Geisenfeld to Oelsnitz | 123.55 mi (198.84 km) |
| Geisenfeld to Oer-Erkenschwick | 281.57 mi (453.14 km) |
| Geisenfeld to Oerlinghausen | 262.12 mi (421.85 km) |
