| Cleveland Heights to Oberkirch | 4,146.99 mi (6,673.94 km) |
| Cleveland Heights to Obernburg am Main | 4,142.97 mi (6,667.46 km) |
| Cleveland Heights to Obernkirchen | 4,059.53 mi (6,533.18 km) |
| Cleveland Heights to Oberschleissheim | 4,293.81 mi (6,910.22 km) |
| Cleveland Heights to Oberstdorf | 4,274.05 mi (6,878.42 km) |
| Cleveland Heights to Obertraubling | 4,290.60 mi (6,905.05 km) |
| Cleveland Heights to Obertshausen | 4,123.27 mi (6,635.77 km) |
| Cleveland Heights to Oberursel | 4,108.73 mi (6,612.37 km) |
| Cleveland Heights to Ochsenfurt | 4,185.23 mi (6,735.48 km) |
| Cleveland Heights to Ochsenhausen | 4,236.92 mi (6,818.67 km) |
| Cleveland Heights to Ochtrup | 3,989.70 mi (6,420.80 km) |
| Cleveland Heights to Odenthal | 4,024.96 mi (6,477.54 km) |
| Cleveland Heights to Oelde | 4,037.81 mi (6,498.23 km) |
| Cleveland Heights to Oelsnitz | 4,237.55 mi (6,819.68 km) |
| Cleveland Heights to Oer-Erkenschwick | 4,010.19 mi (6,453.77 km) |
