| Racine to Oberkirch | 4,332.99 mi (6,973.27 km) |
| Racine to Obernburg am Main | 4,320.85 mi (6,953.74 km) |
| Racine to Obernkirchen | 4,225.78 mi (6,800.74 km) |
| Racine to Oberschleissheim | 4,474.16 mi (7,200.47 km) |
| Racine to Oberstdorf | 4,460.76 mi (7,178.90 km) |
| Racine to Obertraubling | 4,466.51 mi (7,188.16 km) |
| Racine to Obertshausen | 4,300.68 mi (6,921.28 km) |
| Racine to Oberursel | 4,285.98 mi (6,897.62 km) |
| Racine to Ochsenfurt | 4,362.21 mi (7,020.31 km) |
| Racine to Ochsenhausen | 4,421.34 mi (7,115.46 km) |
| Racine to Ochtrup | 4,159.74 mi (6,694.45 km) |
| Racine to Odenthal | 4,200.92 mi (6,760.73 km) |
| Racine to Oelde | 4,207.97 mi (6,772.07 km) |
| Racine to Oelsnitz | 4,406.83 mi (7,092.11 km) |
| Racine to Oer-Erkenschwick | 4,182.92 mi (6,731.75 km) |
