| Genas to Obernburg am Main | 342.68 mi (551.49 km) |
| Genas to Obernkirchen | 488.35 mi (785.92 km) |
| Genas to Oberschleissheim | 354.79 mi (570.98 km) |
| Genas to Oberstdorf | 276.10 mi (444.34 km) |
| Genas to Obertraubling | 402.77 mi (648.19 km) |
| Genas to Obertshausen | 348.06 mi (560.14 km) |
| Genas to Oberursel | 350.35 mi (563.83 km) |
| Genas to Ochsenfurt | 358.70 mi (577.27 km) |
| Genas to Ochsenhausen | 283.94 mi (456.96 km) |
| Genas to Ochtrup | 458.14 mi (737.31 km) |
| Genas to Odenthal | 378.92 mi (609.81 km) |
| Genas to Oelde | 445.18 mi (716.45 km) |
| Genas to Oelsnitz | 462.42 mi (744.19 km) |
| Genas to Oer-Erkenschwick | 421.02 mi (677.57 km) |
| Genas to Oerlinghausen | 461.76 mi (743.13 km) |
