| South Charleston to Octeville | 3,864.38 mi (6,219.11 km) |
| South Charleston to Oignies | 4,032.62 mi (6,489.88 km) |
| South Charleston to Oissel | 3,985.52 mi (6,414.08 km) |
| South Charleston to Olivet | 4,060.32 mi (6,534.45 km) |
| South Charleston to Ollioules | 4,377.10 mi (7,044.27 km) |
| South Charleston to Olonne-sur-Mer | 3,939.05 mi (6,339.29 km) |
| South Charleston to Oloron-Sainte-Marie | 4,085.92 mi (6,575.66 km) |
| South Charleston to Onet Village | 4,193.98 mi (6,749.56 km) |
| South Charleston to Onnaing | 4,059.25 mi (6,532.73 km) |
| South Charleston to Orange | 4,298.75 mi (6,918.16 km) |
| South Charleston to Orchies | 4,042.57 mi (6,505.89 km) |
| South Charleston to Orleans | 4,059.58 mi (6,533.26 km) |
| South Charleston to Orly | 4,056.05 mi (6,527.59 km) |
| South Charleston to Ormesson-sur-Marne | 4,060.92 mi (6,535.42 km) |
| South Charleston to Orsay | 4,048.80 mi (6,515.91 km) |
