| Carrboro to Oberkirch | 4,298.75 mi (6,918.16 km) |
| Carrboro to Obernburg am Main | 4,305.81 mi (6,929.54 km) |
| Carrboro to Obernkirchen | 4,238.46 mi (6,821.15 km) |
| Carrboro to Oberschleissheim | 4,451.82 mi (7,164.52 km) |
| Carrboro to Oberstdorf | 4,423.53 mi (7,118.98 km) |
| Carrboro to Obertraubling | 4,454.61 mi (7,169.00 km) |
| Carrboro to Obertshausen | 4,286.96 mi (6,899.20 km) |
| Carrboro to Oberursel | 4,272.79 mi (6,876.38 km) |
| Carrboro to Ochsenfurt | 4,348.87 mi (6,998.83 km) |
| Carrboro to Ochsenhausen | 4,389.93 mi (7,064.92 km) |
| Carrboro to Ochtrup | 4,164.48 mi (6,702.09 km) |
| Carrboro to Odenthal | 4,191.59 mi (6,745.71 km) |
| Carrboro to Oelde | 4,211.94 mi (6,778.46 km) |
| Carrboro to Oelsnitz | 4,410.82 mi (7,098.52 km) |
| Carrboro to Oer-Erkenschwick | 4,181.24 mi (6,729.06 km) |
