| Cedarburg to Oberkirch | 4,313.08 mi (6,941.23 km) |
| Cedarburg to Obernburg am Main | 4,299.94 mi (6,920.08 km) |
| Cedarburg to Obernkirchen | 4,203.51 mi (6,764.90 km) |
| Cedarburg to Oberschleissheim | 4,453.48 mi (7,167.19 km) |
| Cedarburg to Oberstdorf | 4,440.89 mi (7,146.92 km) |
| Cedarburg to Obertraubling | 4,445.29 mi (7,154.00 km) |
| Cedarburg to Obertshausen | 4,279.72 mi (6,887.54 km) |
| Cedarburg to Oberursel | 4,265.00 mi (6,863.86 km) |
| Cedarburg to Ochsenfurt | 4,341.17 mi (6,986.43 km) |
| Cedarburg to Ochsenhausen | 4,401.20 mi (7,083.04 km) |
| Cedarburg to Ochtrup | 4,137.94 mi (6,659.38 km) |
| Cedarburg to Odenthal | 4,179.83 mi (6,726.78 km) |
| Cedarburg to Oelde | 4,186.17 mi (6,736.99 km) |
| Cedarburg to Oelsnitz | 4,384.84 mi (7,056.71 km) |
| Cedarburg to Oer-Erkenschwick | 4,161.44 mi (6,697.18 km) |
