| Dunstable to Nasaud | 1,154.61 mi (1,858.16 km) |
| Dunstable to Navodari | 1,430.42 mi (2,302.04 km) |
| Dunstable to Negresti-Oas | 1,096.17 mi (1,764.12 km) |
| Dunstable to Nehoiu | 1,296.77 mi (2,086.94 km) |
| Dunstable to Ocna Mures | 1,159.16 mi (1,865.49 km) |
| Dunstable to Odobesti | 1,314.85 mi (2,116.04 km) |
| Dunstable to Odorheiu Secuiesc | 1,222.39 mi (1,967.24 km) |
| Dunstable to Oltenita | 1,356.42 mi (2,182.94 km) |
| Dunstable to Onesti | 1,286.22 mi (2,069.97 km) |
| Dunstable to Oradea | 1,055.95 mi (1,699.39 km) |
| Dunstable to Orastie | 1,149.56 mi (1,850.04 km) |
| Dunstable to Oravita | 1,116.07 mi (1,796.14 km) |
| Dunstable to Orsova | 1,157.10 mi (1,862.18 km) |
| Dunstable to Otelu Rosu | 1,125.98 mi (1,812.09 km) |
| Dunstable to Otopeni | 1,315.57 mi (2,117.21 km) |
