| Knowsley to Nasaud | 1,265.28 mi (2,036.28 km) |
| Knowsley to Navodari | 1,546.17 mi (2,488.32 km) |
| Knowsley to Negresti-Oas | 1,205.57 mi (1,940.18 km) |
| Knowsley to Nehoiu | 1,412.59 mi (2,273.35 km) |
| Knowsley to Ocna Mures | 1,274.94 mi (2,051.81 km) |
| Knowsley to Odobesti | 1,427.73 mi (2,297.71 km) |
| Knowsley to Odorheiu Secuiesc | 1,335.98 mi (2,150.05 km) |
| Knowsley to Oltenita | 1,476.28 mi (2,375.85 km) |
| Knowsley to Onesti | 1,397.55 mi (2,249.14 km) |
| Knowsley to Oradea | 1,172.05 mi (1,886.24 km) |
| Knowsley to Orastie | 1,268.81 mi (2,041.95 km) |
| Knowsley to Oravita | 1,241.18 mi (1,997.49 km) |
| Knowsley to Orsova | 1,282.08 mi (2,063.30 km) |
| Knowsley to Otelu Rosu | 1,248.08 mi (2,008.59 km) |
| Knowsley to Otopeni | 1,434.79 mi (2,309.08 km) |
