| Cicero to Oberkirch | 4,372.02 mi (7,036.08 km) |
| Cicero to Obernburg am Main | 4,361.22 mi (7,018.70 km) |
| Cicero to Obernkirchen | 4,267.93 mi (6,868.57 km) |
| Cicero to Oberschleissheim | 4,514.19 mi (7,264.89 km) |
| Cicero to Oberstdorf | 4,499.72 mi (7,241.60 km) |
| Cicero to Obertraubling | 4,507.26 mi (7,253.73 km) |
| Cicero to Obertshausen | 4,341.12 mi (6,986.35 km) |
| Cicero to Oberursel | 4,326.43 mi (6,962.72 km) |
| Cicero to Ochsenfurt | 4,402.74 mi (7,085.53 km) |
| Cicero to Ochsenhausen | 4,460.67 mi (7,178.76 km) |
| Cicero to Ochtrup | 4,201.27 mi (6,761.29 km) |
| Cicero to Odenthal | 4,241.54 mi (6,826.10 km) |
| Cicero to Oelde | 4,249.51 mi (6,838.92 km) |
| Cicero to Oelsnitz | 4,448.59 mi (7,159.32 km) |
| Cicero to Oer-Erkenschwick | 4,224.04 mi (6,797.94 km) |
