| Ferguson to Oberkirch | 4,616.17 mi (7,429.01 km) |
| Ferguson to Obernburg am Main | 4,607.06 mi (7,414.34 km) |
| Ferguson to Obernkirchen | 4,515.78 mi (7,267.45 km) |
| Ferguson to Oberschleissheim | 4,759.59 mi (7,659.81 km) |
| Ferguson to Oberstdorf | 4,743.75 mi (7,634.33 km) |
| Ferguson to Obertraubling | 4,753.52 mi (7,650.05 km) |
| Ferguson to Obertshausen | 4,587.04 mi (7,382.13 km) |
| Ferguson to Oberursel | 4,572.39 mi (7,358.55 km) |
| Ferguson to Ochsenfurt | 4,648.77 mi (7,481.47 km) |
| Ferguson to Ochsenhausen | 4,705.20 mi (7,572.29 km) |
| Ferguson to Ochtrup | 4,448.49 mi (7,159.15 km) |
| Ferguson to Odenthal | 4,487.72 mi (7,222.28 km) |
| Ferguson to Oelde | 4,496.72 mi (7,236.77 km) |
| Ferguson to Oelsnitz | 4,696.01 mi (7,557.50 km) |
| Ferguson to Oer-Erkenschwick | 4,470.80 mi (7,195.06 km) |
