| Oppegard to Oberkirch | 785.44 mi (1,264.04 km) |
| Oppegard to Obernburg am Main | 690.72 mi (1,111.61 km) |
| Oppegard to Obernkirchen | 523.95 mi (843.22 km) |
| Oppegard to Oberschleissheim | 798.12 mi (1,284.45 km) |
| Oppegard to Oberstdorf | 855.82 mi (1,377.31 km) |
| Oppegard to Obertraubling | 750.06 mi (1,207.10 km) |
| Oppegard to Obertshausen | 676.39 mi (1,088.54 km) |
| Oppegard to Oberursel | 668.24 mi (1,075.42 km) |
| Oppegard to Ochsenfurt | 701.36 mi (1,128.73 km) |
| Oppegard to Ochsenhausen | 810.50 mi (1,304.38 km) |
| Oppegard to Ochtrup | 542.14 mi (872.49 km) |
| Oppegard to Odenthal | 621.88 mi (1,000.81 km) |
| Oppegard to Oelde | 559.28 mi (900.08 km) |
| Oppegard to Oelsnitz | 650.05 mi (1,046.15 km) |
| Oppegard to Oer-Erkenschwick | 579.53 mi (932.66 km) |
