| Bel Air South to Oberkirch | 4,023.03 mi (6,474.45 km) |
| Bel Air South to Obernburg am Main | 4,027.56 mi (6,481.73 km) |
| Bel Air South to Obernkirchen | 3,956.85 mi (6,367.93 km) |
| Bel Air South to Oberschleissheim | 4,174.80 mi (6,718.70 km) |
| Bel Air South to Oberstdorf | 4,148.50 mi (6,676.37 km) |
| Bel Air South to Obertraubling | 4,176.25 mi (6,721.02 km) |
| Bel Air South to Obertshausen | 4,008.51 mi (6,451.07 km) |
| Bel Air South to Oberursel | 3,994.24 mi (6,428.10 km) |
| Bel Air South to Ochsenfurt | 4,070.49 mi (6,550.82 km) |
| Bel Air South to Ochsenhausen | 4,114.02 mi (6,620.87 km) |
| Bel Air South to Ochtrup | 3,883.60 mi (6,250.06 km) |
| Bel Air South to Odenthal | 3,912.40 mi (6,296.41 km) |
| Bel Air South to Oelde | 3,931.23 mi (6,326.71 km) |
| Bel Air South to Oelsnitz | 4,130.47 mi (6,647.34 km) |
| Bel Air South to Oer-Erkenschwick | 3,901.13 mi (6,278.26 km) |
