| South Charleston to Oerlinghausen | 4,211.99 mi (6,778.54 km) |
| South Charleston to Oestrich-Winkel | 4,246.67 mi (6,834.36 km) |
| South Charleston to Offenburg | 4,292.29 mi (6,907.78 km) |
| South Charleston to Oftersheim | 4,289.75 mi (6,903.69 km) |
| South Charleston to Ohrdruf | 4,327.13 mi (6,963.85 km) |
| South Charleston to Ohringen | 4,331.75 mi (6,971.27 km) |
| South Charleston to Olbernhau | 4,432.04 mi (7,132.68 km) |
| South Charleston to Olching | 4,437.63 mi (7,141.68 km) |
| South Charleston to Oldenburg | 4,159.48 mi (6,694.04 km) |
| South Charleston to Oldenburg in Holstein | 4,222.72 mi (6,795.82 km) |
| South Charleston to Olfen | 4,170.24 mi (6,711.35 km) |
| South Charleston to Olpe | 4,208.80 mi (6,773.40 km) |
| South Charleston to Olsberg | 4,223.83 mi (6,797.61 km) |
| South Charleston to Oranienburg | 4,357.90 mi (7,013.37 km) |
| South Charleston to Ortenberg | 4,277.11 mi (6,883.34 km) |
