| Aldenham to Nasaud | 1,146.03 mi (1,844.36 km) |
| Aldenham to Navodari | 1,420.93 mi (2,286.77 km) |
| Aldenham to Negresti-Oas | 1,087.83 mi (1,750.69 km) |
| Aldenham to Nehoiu | 1,287.32 mi (2,071.74 km) |
| Aldenham to Ocna Mures | 1,149.78 mi (1,850.40 km) |
| Aldenham to Odobesti | 1,305.85 mi (2,101.56 km) |
| Aldenham to Odorheiu Secuiesc | 1,213.32 mi (1,952.65 km) |
| Aldenham to Oltenita | 1,346.29 mi (2,166.65 km) |
| Aldenham to Onesti | 1,277.48 mi (2,055.90 km) |
| Aldenham to Oradea | 1,046.58 mi (1,684.31 km) |
| Aldenham to Orastie | 1,139.62 mi (1,834.04 km) |
| Aldenham to Oravita | 1,105.15 mi (1,778.57 km) |
| Aldenham to Orsova | 1,146.20 mi (1,844.62 km) |
| Aldenham to Otelu Rosu | 1,115.57 mi (1,795.34 km) |
| Aldenham to Otopeni | 1,305.57 mi (2,101.11 km) |
