| Charlotte to Oberkirch | 4,404.69 mi (7,088.66 km) |
| Charlotte to Obernburg am Main | 4,410.88 mi (7,098.63 km) |
| Charlotte to Obernkirchen | 4,342.05 mi (6,987.85 km) |
| Charlotte to Oberschleissheim | 4,557.35 mi (7,334.34 km) |
| Charlotte to Oberstdorf | 4,529.69 mi (7,289.82 km) |
| Charlotte to Obertraubling | 4,559.64 mi (7,338.04 km) |
| Charlotte to Obertshausen | 4,391.95 mi (7,068.17 km) |
| Charlotte to Oberursel | 4,377.74 mi (7,045.29 km) |
| Charlotte to Ochsenfurt | 4,453.89 mi (7,167.85 km) |
| Charlotte to Ochsenhausen | 4,495.82 mi (7,235.32 km) |
| Charlotte to Ochtrup | 4,268.42 mi (6,869.37 km) |
| Charlotte to Odenthal | 4,296.28 mi (6,914.20 km) |
| Charlotte to Oelde | 4,315.96 mi (6,945.87 km) |
| Charlotte to Oelsnitz | 4,515.02 mi (7,266.22 km) |
| Charlotte to Oer-Erkenschwick | 4,285.54 mi (6,896.90 km) |
