| South Charleston to Olivares | 3,996.68 mi (6,432.03 km) |
| South Charleston to Olivenza | 3,912.08 mi (6,295.88 km) |
| South Charleston to Olot | 4,257.81 mi (6,852.28 km) |
| South Charleston to Onate | 4,007.95 mi (6,450.17 km) |
| South Charleston to Onda | 4,201.11 mi (6,761.03 km) |
| South Charleston to Onteniente | 4,221.26 mi (6,793.46 km) |
| South Charleston to Orihuela | 4,228.77 mi (6,805.55 km) |
| South Charleston to Osuna | 4,053.97 mi (6,524.23 km) |
| South Charleston to Ourense | 3,773.64 mi (6,073.08 km) |
| South Charleston to Oviedo | 3,840.80 mi (6,181.16 km) |
| South Charleston to Paiporta | 4,210.83 mi (6,776.68 km) |
| South Charleston to Pajara | 3,877.57 mi (6,240.35 km) |
| South Charleston to Palafolls | 4,286.19 mi (6,897.96 km) |
| South Charleston to Palafrugell | 4,296.94 mi (6,915.25 km) |
| South Charleston to Palamos | 4,297.70 mi (6,916.49 km) |
