| Cities | Distance |
|---|---|
| Otopeni to Nasaud | 205.07 mi (330.02 km) |
| Otopeni to Navodari | 126.46 mi (203.52 km) |
| Otopeni to Negresti-Oas | 261.89 mi (421.46 km) |
| Otopeni to Nehoiu | 56.67 mi (91.20 km) |
| Otopeni to Ocna Mures | 166.21 mi (267.48 km) |
| Otopeni to Odobesti | 97.08 mi (156.24 km) |
| Otopeni to Odorheiu Secuiesc | 127.44 mi (205.09 km) |
| Otopeni to Oltenita | 42.54 mi (68.46 km) |
| Otopeni to Onesti | 122.83 mi (197.67 km) |
| Otopeni to Oradea | 265.06 mi (426.57 km) |
| Otopeni to Orastie | 166.09 mi (267.30 km) |
| Otopeni to Oravita | 217.61 mi (350.21 km) |
| Otopeni to Orsova | 181.01 mi (291.32 km) |
| Otopeni to Otelu Rosu | 193.42 mi (311.28 km) |
| Otopeni to Ovidiu | 124.41 mi (200.21 km) |