| Aylesbury to Oerlinghausen | 404.04 mi (650.25 km) |
| Aylesbury to Oestrich-Winkel | 403.63 mi (649.59 km) |
| Aylesbury to Offenburg | 450.73 mi (725.38 km) |
| Aylesbury to Oftersheim | 445.07 mi (716.26 km) |
| Aylesbury to Ohrdruf | 502.62 mi (808.89 km) |
| Aylesbury to Ohringen | 487.34 mi (784.30 km) |
| Aylesbury to Olbernhau | 616.01 mi (991.38 km) |
| Aylesbury to Olching | 592.77 mi (953.98 km) |
| Aylesbury to Oldenburg | 390.45 mi (628.37 km) |
| Aylesbury to Oldenburg in Holstein | 514.35 mi (827.76 km) |
| Aylesbury to Olfen | 350.33 mi (563.80 km) |
| Aylesbury to Olpe | 376.39 mi (605.75 km) |
| Aylesbury to Olsberg | 400.12 mi (643.93 km) |
| Aylesbury to Oranienburg | 596.37 mi (959.76 km) |
| Aylesbury to Ortenberg | 439.63 mi (707.51 km) |
