| Cleveland Heights to Octeville | 3,721.09 mi (5,988.51 km) |
| Cleveland Heights to Oignies | 3,882.60 mi (6,248.43 km) |
| Cleveland Heights to Oissel | 3,840.68 mi (6,180.97 km) |
| Cleveland Heights to Olivet | 3,919.30 mi (6,307.51 km) |
| Cleveland Heights to Ollioules | 4,246.03 mi (6,833.32 km) |
| Cleveland Heights to Olonne-sur-Mer | 3,806.09 mi (6,125.31 km) |
| Cleveland Heights to Oloron-Sainte-Marie | 3,962.75 mi (6,377.43 km) |
| Cleveland Heights to Onet Village | 4,063.15 mi (6,539.01 km) |
| Cleveland Heights to Onnaing | 3,908.93 mi (6,290.81 km) |
| Cleveland Heights to Orange | 4,165.95 mi (6,704.46 km) |
| Cleveland Heights to Orchies | 3,892.31 mi (6,264.06 km) |
| Cleveland Heights to Orleans | 3,918.43 mi (6,306.11 km) |
| Cleveland Heights to Orly | 3,911.83 mi (6,295.49 km) |
| Cleveland Heights to Ormesson-sur-Marne | 3,916.43 mi (6,302.88 km) |
| Cleveland Heights to Orsay | 3,904.91 mi (6,284.35 km) |
