| Cleveland Heights to Orbetello | 4,500.41 mi (7,242.71 km) |
| Cleveland Heights to Oria | 4,847.46 mi (7,801.23 km) |
| Cleveland Heights to Oristano | 4,486.65 mi (7,220.57 km) |
| Cleveland Heights to Orta Nova | 4,732.94 mi (7,616.93 km) |
| Cleveland Heights to Orte | 4,548.75 mi (7,320.50 km) |
| Cleveland Heights to Ortona | 4,636.78 mi (7,462.17 km) |
| Cleveland Heights to Orvieto | 4,527.04 mi (7,285.57 km) |
| Cleveland Heights to Orzinuovi | 4,334.27 mi (6,975.34 km) |
| Cleveland Heights to Osimo | 4,553.46 mi (7,328.09 km) |
| Cleveland Heights to Ospitaletto | 4,334.20 mi (6,975.22 km) |
| Cleveland Heights to Ostuni | 4,835.44 mi (7,781.88 km) |
| Cleveland Heights to Ottaviano | 4,701.40 mi (7,566.17 km) |
| Cleveland Heights to Ovada | 4,309.46 mi (6,935.41 km) |
| Cleveland Heights to Ozieri | 4,478.24 mi (7,207.03 km) |
| Cleveland Heights to Paceco | 4,736.94 mi (7,623.37 km) |
