| East Cleveland to Oberkirch | 4,146.71 mi (6,673.48 km) |
| East Cleveland to Obernburg am Main | 4,142.63 mi (6,666.93 km) |
| East Cleveland to Obernkirchen | 4,059.13 mi (6,532.53 km) |
| East Cleveland to Oberschleissheim | 4,293.50 mi (6,909.71 km) |
| East Cleveland to Oberstdorf | 4,273.77 mi (6,877.98 km) |
| East Cleveland to Obertraubling | 4,290.26 mi (6,904.50 km) |
| East Cleveland to Obertshausen | 4,122.94 mi (6,635.23 km) |
| East Cleveland to Oberursel | 4,108.40 mi (6,611.83 km) |
| East Cleveland to Ochsenfurt | 4,184.90 mi (6,734.94 km) |
| East Cleveland to Ochsenhausen | 4,236.63 mi (6,818.20 km) |
| East Cleveland to Ochtrup | 3,989.32 mi (6,420.19 km) |
| East Cleveland to Odenthal | 4,024.61 mi (6,476.99 km) |
| East Cleveland to Oelde | 4,037.43 mi (6,497.62 km) |
| East Cleveland to Oelsnitz | 4,237.17 mi (6,819.07 km) |
| East Cleveland to Oer-Erkenschwick | 4,009.82 mi (6,453.18 km) |
