| West Carrollton to Oberkirch | 4,336.98 mi (6,979.69 km) |
| West Carrollton to Obernburg am Main | 4,332.97 mi (6,973.24 km) |
| West Carrollton to Obernkirchen | 4,249.26 mi (6,838.52 km) |
| West Carrollton to Oberschleissheim | 4,483.82 mi (7,216.02 km) |
| West Carrollton to Oberstdorf | 4,464.02 mi (7,184.15 km) |
| West Carrollton to Obertraubling | 4,480.58 mi (7,210.80 km) |
| West Carrollton to Obertshausen | 4,313.27 mi (6,941.54 km) |
| West Carrollton to Oberursel | 4,298.73 mi (6,918.13 km) |
| West Carrollton to Ochsenfurt | 4,375.23 mi (7,041.25 km) |
| West Carrollton to Ochsenhausen | 4,426.92 mi (7,124.44 km) |
| West Carrollton to Ochtrup | 4,179.55 mi (6,726.33 km) |
| West Carrollton to Odenthal | 4,214.93 mi (6,783.28 km) |
| West Carrollton to Oelde | 4,227.67 mi (6,803.77 km) |
| West Carrollton to Oelsnitz | 4,427.40 mi (7,125.21 km) |
| West Carrollton to Oer-Erkenschwick | 4,200.10 mi (6,759.41 km) |
