| Wheaton to Oberkirch | 4,384.71 mi (7,056.52 km) |
| Wheaton to Obernburg am Main | 4,373.54 mi (7,038.54 km) |
| Wheaton to Obernkirchen | 4,279.73 mi (6,887.55 km) |
| Wheaton to Oberschleissheim | 4,526.61 mi (7,284.88 km) |
| Wheaton to Oberstdorf | 4,512.44 mi (7,262.07 km) |
| Wheaton to Obertraubling | 4,519.48 mi (7,273.39 km) |
| Wheaton to Obertshausen | 4,353.42 mi (7,006.16 km) |
| Wheaton to Oberursel | 4,338.74 mi (6,982.52 km) |
| Wheaton to Ochsenfurt | 4,415.02 mi (7,105.29 km) |
| Wheaton to Ochsenhausen | 4,473.29 mi (7,199.06 km) |
| Wheaton to Ochtrup | 4,213.25 mi (6,780.58 km) |
| Wheaton to Odenthal | 4,253.79 mi (6,845.82 km) |
| Wheaton to Oelde | 4,261.49 mi (6,858.20 km) |
| Wheaton to Oelsnitz | 4,460.51 mi (7,178.50 km) |
| Wheaton to Oer-Erkenschwick | 4,236.15 mi (6,817.42 km) |
