| Columbia Heights to Oberkirch | 4,421.86 mi (7,116.30 km) |
| Columbia Heights to Obernburg am Main | 4,401.09 mi (7,082.87 km) |
| Columbia Heights to Obernkirchen | 4,294.37 mi (6,911.12 km) |
| Columbia Heights to Oberschleissheim | 4,555.97 mi (7,332.13 km) |
| Columbia Heights to Oberstdorf | 4,549.53 mi (7,321.76 km) |
| Columbia Heights to Obertraubling | 4,543.61 mi (7,312.24 km) |
| Columbia Heights to Obertshausen | 4,380.56 mi (7,049.83 km) |
| Columbia Heights to Oberursel | 4,365.79 mi (7,026.06 km) |
| Columbia Heights to Ochsenfurt | 4,441.19 mi (7,147.40 km) |
| Columbia Heights to Ochsenhausen | 4,507.90 mi (7,254.77 km) |
| Columbia Heights to Ochtrup | 4,232.82 mi (6,812.06 km) |
| Columbia Heights to Odenthal | 4,279.99 mi (6,887.97 km) |
| Columbia Heights to Oelde | 4,280.81 mi (6,889.30 km) |
| Columbia Heights to Oelsnitz | 4,477.28 mi (7,205.49 km) |
| Columbia Heights to Oer-Erkenschwick | 4,258.68 mi (6,853.68 km) |
