| Buckhall to Oerlinghausen | 4,028.92 mi (6,483.92 km) |
| Buckhall to Oestrich-Winkel | 4,058.11 mi (6,530.89 km) |
| Buckhall to Offenburg | 4,100.01 mi (6,598.32 km) |
| Buckhall to Oftersheim | 4,100.11 mi (6,598.48 km) |
| Buckhall to Ohrdruf | 4,142.75 mi (6,667.12 km) |
| Buckhall to Ohringen | 4,142.41 mi (6,666.56 km) |
| Buckhall to Olbernhau | 4,249.41 mi (6,838.77 km) |
| Buckhall to Olching | 4,247.43 mi (6,835.58 km) |
| Buckhall to Oldenburg | 3,979.22 mi (6,403.94 km) |
| Buckhall to Oldenburg in Holstein | 4,047.64 mi (6,514.05 km) |
| Buckhall to Olfen | 3,985.56 mi (6,414.14 km) |
| Buckhall to Olpe | 4,022.65 mi (6,473.83 km) |
| Buckhall to Olsberg | 4,039.03 mi (6,500.19 km) |
| Buckhall to Oranienburg | 4,180.52 mi (6,727.89 km) |
| Buckhall to Ortenberg | 4,090.23 mi (6,582.59 km) |
