| Palm River-Clair Mel to Oberkirch | 4,818.94 mi (7,755.33 km) |
| Palm River-Clair Mel to Obernburg am Main | 4,833.35 mi (7,778.53 km) |
| Palm River-Clair Mel to Obernkirchen | 4,776.48 mi (7,687.00 km) |
| Palm River-Clair Mel to Oberschleissheim | 4,975.24 mi (8,006.88 km) |
| Palm River-Clair Mel to Oberstdorf | 4,941.30 mi (7,952.26 km) |
| Palm River-Clair Mel to Obertraubling | 4,981.99 mi (8,017.74 km) |
| Palm River-Clair Mel to Obertshausen | 4,815.16 mi (7,749.26 km) |
| Palm River-Clair Mel to Oberursel | 4,801.31 mi (7,726.96 km) |
| Palm River-Clair Mel to Ochsenfurt | 4,876.65 mi (7,848.21 km) |
| Palm River-Clair Mel to Ochsenhausen | 4,910.37 mi (7,902.48 km) |
| Palm River-Clair Mel to Ochtrup | 4,700.40 mi (7,564.56 km) |
| Palm River-Clair Mel to Odenthal | 4,722.27 mi (7,599.75 km) |
| Palm River-Clair Mel to Oelde | 4,747.17 mi (7,639.84 km) |
| Palm River-Clair Mel to Oelsnitz | 4,944.38 mi (7,957.22 km) |
| Palm River-Clair Mel to Oer-Erkenschwick | 4,714.76 mi (7,587.68 km) |
