| Covington to Octeville | 3,949.77 mi (6,356.54 km) |
| Covington to Oignies | 4,112.55 mi (6,618.52 km) |
| Covington to Oissel | 4,069.70 mi (6,549.55 km) |
| Covington to Olivet | 4,147.53 mi (6,674.81 km) |
| Covington to Ollioules | 4,471.78 mi (7,196.64 km) |
| Covington to Olonne-sur-Mer | 4,032.26 mi (6,489.30 km) |
| Covington to Oloron-Sainte-Marie | 4,185.97 mi (6,736.66 km) |
| Covington to Onet Village | 4,288.79 mi (6,902.14 km) |
| Covington to Onnaing | 4,138.94 mi (6,660.97 km) |
| Covington to Orange | 4,392.17 mi (7,068.52 km) |
| Covington to Orchies | 4,122.31 mi (6,634.21 km) |
| Covington to Orleans | 4,146.69 mi (6,673.45 km) |
| Covington to Orly | 4,140.75 mi (6,663.89 km) |
| Covington to Ormesson-sur-Marne | 4,145.40 mi (6,671.37 km) |
| Covington to Orsay | 4,133.76 mi (6,652.64 km) |
