| Palm River-Clair Mel to Oerlinghausen | 4,765.09 mi (7,668.68 km) |
| Palm River-Clair Mel to Oestrich-Winkel | 4,781.80 mi (7,695.56 km) |
| Palm River-Clair Mel to Offenburg | 4,814.01 mi (7,747.40 km) |
| Palm River-Clair Mel to Oftersheim | 4,820.89 mi (7,758.47 km) |
| Palm River-Clair Mel to Ohrdruf | 4,875.50 mi (7,846.36 km) |
| Palm River-Clair Mel to Ohringen | 4,863.68 mi (7,827.33 km) |
| Palm River-Clair Mel to Olbernhau | 4,985.30 mi (8,023.07 km) |
| Palm River-Clair Mel to Olching | 4,965.86 mi (7,991.78 km) |
| Palm River-Clair Mel to Oldenburg | 4,721.31 mi (7,598.22 km) |
| Palm River-Clair Mel to Oldenburg in Holstein | 4,798.82 mi (7,722.96 km) |
| Palm River-Clair Mel to Olfen | 4,718.57 mi (7,593.81 km) |
| Palm River-Clair Mel to Olpe | 4,752.19 mi (7,647.91 km) |
| Palm River-Clair Mel to Olsberg | 4,771.44 mi (7,678.89 km) |
| Palm River-Clair Mel to Oranienburg | 4,927.01 mi (7,929.26 km) |
| Palm River-Clair Mel to Ortenberg | 4,817.69 mi (7,753.33 km) |
