| Buckeye to Oberkirch | 5,700.36 mi (9,173.85 km) |
| Buckeye to Obernburg am Main | 5,672.10 mi (9,128.36 km) |
| Buckeye to Obernkirchen | 5,554.65 mi (8,939.35 km) |
| Buckeye to Oberschleissheim | 5,827.43 mi (9,378.34 km) |
| Buckeye to Oberstdorf | 5,827.23 mi (9,378.02 km) |
| Buckeye to Obertraubling | 5,810.64 mi (9,351.32 km) |
| Buckeye to Obertshausen | 5,651.36 mi (9,094.99 km) |
| Buckeye to Oberursel | 5,636.63 mi (9,071.29 km) |
| Buckeye to Ochsenfurt | 5,710.73 mi (9,190.54 km) |
| Buckeye to Ochsenhausen | 5,783.94 mi (9,308.35 km) |
| Buckeye to Ochtrup | 5,498.16 mi (8,848.44 km) |
| Buckeye to Odenthal | 5,550.72 mi (8,933.02 km) |
| Buckeye to Oelde | 5,545.55 mi (8,924.71 km) |
| Buckeye to Oelsnitz | 5,738.03 mi (9,234.47 km) |
| Buckeye to Oer-Erkenschwick | 5,526.44 mi (8,893.94 km) |
