| Rock Hill to Oberkirch | 4,425.22 mi (7,121.70 km) |
| Rock Hill to Obernburg am Main | 4,431.58 mi (7,131.95 km) |
| Rock Hill to Obernkirchen | 4,362.97 mi (7,021.52 km) |
| Rock Hill to Oberschleissheim | 4,577.97 mi (7,367.52 km) |
| Rock Hill to Oberstdorf | 4,550.17 mi (7,322.79 km) |
| Rock Hill to Obertraubling | 4,580.35 mi (7,371.37 km) |
| Rock Hill to Obertshausen | 4,412.67 mi (7,101.50 km) |
| Rock Hill to Oberursel | 4,398.46 mi (7,078.64 km) |
| Rock Hill to Ochsenfurt | 4,474.60 mi (7,201.18 km) |
| Rock Hill to Ochsenhausen | 4,516.37 mi (7,268.39 km) |
| Rock Hill to Ochtrup | 4,289.30 mi (6,902.96 km) |
| Rock Hill to Odenthal | 4,317.05 mi (6,947.61 km) |
| Rock Hill to Oelde | 4,336.83 mi (6,979.45 km) |
| Rock Hill to Oelsnitz | 4,535.86 mi (7,299.76 km) |
| Rock Hill to Oer-Erkenschwick | 4,306.36 mi (6,930.42 km) |
