| Leusden to Navodari | 1,188.55 mi (1,912.79 km) |
| Leusden to Negresti-Oas | 848.85 mi (1,366.10 km) |
| Leusden to Nehoiu | 1,054.97 mi (1,697.81 km) |
| Leusden to Ocna Mures | 917.32 mi (1,476.29 km) |
| Leusden to Odobesti | 1,070.34 mi (1,722.54 km) |
| Leusden to Odorheiu Secuiesc | 978.47 mi (1,574.69 km) |
| Leusden to Oltenita | 1,119.13 mi (1,801.07 km) |
| Leusden to Onesti | 1,040.44 mi (1,674.43 km) |
| Leusden to Oradea | 814.47 mi (1,310.76 km) |
| Leusden to Orastie | 911.64 mi (1,467.14 km) |
| Leusden to Oravita | 886.79 mi (1,427.15 km) |
| Leusden to Orsova | 927.49 mi (1,492.66 km) |
| Leusden to Otelu Rosu | 891.92 mi (1,435.41 km) |
| Leusden to Otopeni | 1,077.52 mi (1,734.10 km) |
| Leusden to Ovidiu | 1,188.44 mi (1,912.61 km) |
