| Fleron to Obernburg am Main | 161.98 mi (260.68 km) |
| Fleron to Obernkirchen | 186.70 mi (300.47 km) |
| Fleron to Oberschleissheim | 310.71 mi (500.04 km) |
| Fleron to Oberstdorf | 303.99 mi (489.22 km) |
| Fleron to Obertraubling | 310.75 mi (500.10 km) |
| Fleron to Obertshausen | 143.99 mi (231.74 km) |
| Fleron to Oberursel | 130.57 mi (210.12 km) |
| Fleron to Ochsenfurt | 205.27 mi (330.35 km) |
| Fleron to Ochsenhausen | 260.24 mi (418.81 km) |
| Fleron to Ochtrup | 127.55 mi (205.27 km) |
| Fleron to Odenthal | 68.86 mi (110.83 km) |
| Fleron to Oelde | 135.85 mi (218.63 km) |
| Fleron to Oelsnitz | 285.08 mi (458.79 km) |
| Fleron to Oer-Erkenschwick | 98.18 mi (158.00 km) |
| Fleron to Oerlinghausen | 159.09 mi (256.04 km) |
