| South Charleston to Odenton (Maryland) | 275.30 mi (443.06 km) |
| South Charleston to Odessa (Texas) | 1,245.16 mi (2,003.89 km) |
| South Charleston to Ogden (Utah) | 1,610.36 mi (2,591.63 km) |
| South Charleston to Oildale (California) | 2,057.94 mi (3,311.94 km) |
| South Charleston to Ojus (Florida) | 860.59 mi (1,384.99 km) |
| South Charleston to Okemos (Michigan) | 333.05 mi (536.00 km) |
| South Charleston to Oklahoma City (Oklahoma) | 893.93 mi (1,438.65 km) |
| South Charleston to Okmulgee (Oklahoma) | 810.13 mi (1,303.79 km) |
| South Charleston to Olathe (Kansas) | 707.86 mi (1,139.20 km) |
| South Charleston to Old Jamestown (Missouri) | 463.88 mi (746.54 km) |
| South Charleston to Oldsmar (Florida) | 713.23 mi (1,147.84 km) |
| South Charleston to Olean (New York) | 311.01 mi (500.52 km) |
| South Charleston to Olive Branch (Mississippi) | 507.42 mi (816.62 km) |
| South Charleston to Olivehurst (California) | 2,131.17 mi (3,429.79 km) |
| South Charleston to Olney (Maryland) | 256.32 mi (412.50 km) |
