| Flero to Oberkirch | 232.59 mi (374.32 km) |
| Flero to Obernburg am Main | 304.81 mi (490.55 km) |
| Flero to Obernkirchen | 471.09 mi (758.15 km) |
| Flero to Oberschleissheim | 202.13 mi (325.30 km) |
| Flero to Oberstdorf | 133.18 mi (214.33 km) |
| Flero to Obertraubling | 258.10 mi (415.38 km) |
| Flero to Obertshausen | 322.72 mi (519.37 km) |
| Flero to Oberursel | 334.39 mi (538.16 km) |
| Flero to Ochsenfurt | 287.92 mi (463.36 km) |
| Flero to Ochsenhausen | 179.18 mi (288.37 km) |
| Flero to Ochtrup | 483.76 mi (778.53 km) |
| Flero to Odenthal | 408.35 mi (657.17 km) |
| Flero to Oelde | 448.30 mi (721.48 km) |
| Flero to Oelsnitz | 353.06 mi (568.20 km) |
| Flero to Oer-Erkenschwick | 445.94 mi (717.66 km) |
