| Covington to Oberkirch | 4,376.87 mi (7,043.89 km) |
| Covington to Obernburg am Main | 4,373.51 mi (7,038.49 km) |
| Covington to Obernkirchen | 4,290.69 mi (6,905.19 km) |
| Covington to Oberschleissheim | 4,524.13 mi (7,280.89 km) |
| Covington to Oberstdorf | 4,503.82 mi (7,248.19 km) |
| Covington to Obertraubling | 4,521.24 mi (7,276.24 km) |
| Covington to Obertshausen | 4,353.86 mi (7,006.86 km) |
| Covington to Oberursel | 4,339.33 mi (6,983.48 km) |
| Covington to Ochsenfurt | 4,415.83 mi (7,106.60 km) |
| Covington to Ochsenhausen | 4,466.92 mi (7,188.81 km) |
| Covington to Ochtrup | 4,220.72 mi (6,792.59 km) |
| Covington to Odenthal | 4,255.66 mi (6,848.82 km) |
| Covington to Oelde | 4,268.82 mi (6,870.00 km) |
| Covington to Oelsnitz | 4,468.57 mi (7,191.47 km) |
| Covington to Oer-Erkenschwick | 4,241.07 mi (6,825.35 km) |
