| Frederiksvaerk to Obernburg am Main | 439.85 mi (707.87 km) |
| Frederiksvaerk to Obernkirchen | 281.27 mi (452.66 km) |
| Frederiksvaerk to Oberschleissheim | 533.51 mi (858.60 km) |
| Frederiksvaerk to Oberstdorf | 595.85 mi (958.92 km) |
| Frederiksvaerk to Obertraubling | 483.76 mi (778.53 km) |
| Frederiksvaerk to Obertshausen | 428.47 mi (689.56 km) |
| Frederiksvaerk to Oberursel | 422.89 mi (680.58 km) |
| Frederiksvaerk to Ochsenfurt | 443.93 mi (714.43 km) |
| Frederiksvaerk to Ochsenhausen | 552.44 mi (889.06 km) |
| Frederiksvaerk to Ochtrup | 325.09 mi (523.18 km) |
| Frederiksvaerk to Odenthal | 395.68 mi (636.79 km) |
| Frederiksvaerk to Oelde | 325.98 mi (524.61 km) |
| Frederiksvaerk to Oelsnitz | 383.52 mi (617.21 km) |
| Frederiksvaerk to Oer-Erkenschwick | 356.31 mi (573.43 km) |
| Frederiksvaerk to Oerlinghausen | 308.01 mi (495.69 km) |
