| Aylesbury to Nasaud | 1,166.49 mi (1,877.29 km) |
| Aylesbury to Navodari | 1,441.89 mi (2,320.49 km) |
| Aylesbury to Negresti-Oas | 1,108.15 mi (1,783.40 km) |
| Aylesbury to Nehoiu | 1,308.25 mi (2,105.42 km) |
| Aylesbury to Ocna Mures | 1,170.68 mi (1,884.03 km) |
| Aylesbury to Odobesti | 1,326.55 mi (2,134.87 km) |
| Aylesbury to Odorheiu Secuiesc | 1,234.06 mi (1,986.02 km) |
| Aylesbury to Oltenita | 1,367.54 mi (2,200.84 km) |
| Aylesbury to Onesti | 1,298.04 mi (2,088.99 km) |
| Aylesbury to Oradea | 1,067.47 mi (1,717.93 km) |
| Aylesbury to Orastie | 1,160.78 mi (1,868.10 km) |
| Aylesbury to Oravita | 1,126.71 mi (1,813.27 km) |
| Aylesbury to Orsova | 1,167.75 mi (1,879.31 km) |
| Aylesbury to Otelu Rosu | 1,136.94 mi (1,829.72 km) |
| Aylesbury to Otopeni | 1,326.77 mi (2,135.22 km) |
