| Wealdstone to Nasaud | 1,144.70 mi (1,842.22 km) |
| Wealdstone to Navodari | 1,419.25 mi (2,284.06 km) |
| Wealdstone to Negresti-Oas | 1,086.59 mi (1,748.70 km) |
| Wealdstone to Nehoiu | 1,285.65 mi (2,069.06 km) |
| Wealdstone to Ocna Mures | 1,148.15 mi (1,847.77 km) |
| Wealdstone to Odobesti | 1,304.36 mi (2,099.16 km) |
| Wealdstone to Odorheiu Secuiesc | 1,211.81 mi (1,950.21 km) |
| Wealdstone to Oltenita | 1,344.37 mi (2,163.55 km) |
| Wealdstone to Onesti | 1,276.08 mi (2,053.65 km) |
| Wealdstone to Oradea | 1,044.95 mi (1,681.69 km) |
| Wealdstone to Orastie | 1,137.77 mi (1,831.07 km) |
| Wealdstone to Oravita | 1,102.92 mi (1,774.98 km) |
| Wealdstone to Orsova | 1,143.97 mi (1,841.04 km) |
| Wealdstone to Otelu Rosu | 1,113.55 mi (1,792.08 km) |
| Wealdstone to Otopeni | 1,303.69 mi (2,098.09 km) |
