| Willowick to Oberkirch | 4,137.74 mi (6,659.04 km) |
| Willowick to Obernburg am Main | 4,133.61 mi (6,652.41 km) |
| Willowick to Obernkirchen | 4,050.05 mi (6,517.93 km) |
| Willowick to Oberschleissheim | 4,284.49 mi (6,895.22 km) |
| Willowick to Oberstdorf | 4,264.81 mi (6,863.55 km) |
| Willowick to Obertraubling | 4,281.23 mi (6,889.97 km) |
| Willowick to Obertshausen | 4,113.92 mi (6,620.71 km) |
| Willowick to Oberursel | 4,099.37 mi (6,597.31 km) |
| Willowick to Ochsenfurt | 4,175.87 mi (6,720.42 km) |
| Willowick to Ochsenhausen | 4,227.65 mi (6,803.74 km) |
| Willowick to Ochtrup | 3,980.26 mi (6,405.61 km) |
| Willowick to Odenthal | 4,015.58 mi (6,462.45 km) |
| Willowick to Oelde | 4,028.37 mi (6,483.04 km) |
| Willowick to Oelsnitz | 4,228.11 mi (6,804.49 km) |
| Willowick to Oer-Erkenschwick | 4,000.77 mi (6,438.62 km) |
