| Glen Parva to Oberkirch | 492.46 mi (792.53 km) |
| Glen Parva to Obernburg am Main | 484.08 mi (779.05 km) |
| Glen Parva to Obernkirchen | 433.29 mi (697.31 km) |
| Glen Parva to Oberschleissheim | 634.20 mi (1,020.65 km) |
| Glen Parva to Oberstdorf | 620.26 mi (998.21 km) |
| Glen Parva to Obertraubling | 632.59 mi (1,018.06 km) |
| Glen Parva to Obertshausen | 464.84 mi (748.09 km) |
| Glen Parva to Oberursel | 450.53 mi (725.06 km) |
| Glen Parva to Ochsenfurt | 526.85 mi (847.89 km) |
| Glen Parva to Ochsenhausen | 579.92 mi (933.29 km) |
| Glen Parva to Ochtrup | 352.91 mi (567.95 km) |
| Glen Parva to Odenthal | 369.33 mi (594.37 km) |
| Glen Parva to Oelde | 397.38 mi (639.52 km) |
| Glen Parva to Oelsnitz | 591.58 mi (952.06 km) |
| Glen Parva to Oer-Erkenschwick | 362.63 mi (583.60 km) |
