| Columbia Heights to Octeville | 4,024.06 mi (6,476.10 km) |
| Columbia Heights to Oignies | 4,159.50 mi (6,694.07 km) |
| Columbia Heights to Oissel | 4,136.23 mi (6,656.62 km) |
| Columbia Heights to Olivet | 4,226.17 mi (6,801.37 km) |
| Columbia Heights to Ollioules | 4,578.81 mi (7,368.89 km) |
| Columbia Heights to Olonne-sur-Mer | 4,140.33 mi (6,663.22 km) |
| Columbia Heights to Oloron-Sainte-Marie | 4,323.12 mi (6,957.39 km) |
| Columbia Heights to Onet Village | 4,399.56 mi (7,080.41 km) |
| Columbia Heights to Onnaing | 4,184.30 mi (6,733.99 km) |
| Columbia Heights to Orange | 4,494.74 mi (7,233.59 km) |
| Columbia Heights to Orchies | 4,168.19 mi (6,708.05 km) |
| Columbia Heights to Orleans | 4,224.90 mi (6,799.31 km) |
| Columbia Heights to Orly | 4,208.20 mi (6,772.44 km) |
| Columbia Heights to Ormesson-sur-Marne | 4,211.81 mi (6,778.25 km) |
| Columbia Heights to Orsay | 4,202.54 mi (6,763.34 km) |
