| Berea to Oberkirch | 4,165.20 mi (6,703.24 km) |
| Berea to Obernburg am Main | 4,161.09 mi (6,696.62 km) |
| Berea to Obernkirchen | 4,077.50 mi (6,562.10 km) |
| Berea to Oberschleissheim | 4,311.96 mi (6,939.43 km) |
| Berea to Oberstdorf | 4,292.27 mi (6,907.74 km) |
| Berea to Obertraubling | 4,308.70 mi (6,934.18 km) |
| Berea to Obertshausen | 4,141.39 mi (6,664.92 km) |
| Berea to Oberursel | 4,126.85 mi (6,641.52 km) |
| Berea to Ochsenfurt | 4,203.35 mi (6,764.63 km) |
| Berea to Ochsenhausen | 4,255.11 mi (6,847.94 km) |
| Berea to Ochtrup | 4,007.72 mi (6,449.80 km) |
| Berea to Odenthal | 4,043.05 mi (6,506.66 km) |
| Berea to Oelde | 4,055.83 mi (6,527.23 km) |
| Berea to Oelsnitz | 4,255.57 mi (6,848.68 km) |
| Berea to Oer-Erkenschwick | 4,028.24 mi (6,482.83 km) |
