| Enghien to Navodari | 1,221.85 mi (1,966.38 km) |
| Enghien to Negresti-Oas | 892.77 mi (1,436.78 km) |
| Enghien to Nehoiu | 1,088.40 mi (1,751.61 km) |
| Enghien to Ocna Mures | 951.14 mi (1,530.71 km) |
| Enghien to Odobesti | 1,108.23 mi (1,783.52 km) |
| Enghien to Odorheiu Secuiesc | 1,015.56 mi (1,634.38 km) |
| Enghien to Oltenita | 1,145.87 mi (1,844.10 km) |
| Enghien to Onesti | 1,080.70 mi (1,739.23 km) |
| Enghien to Oradea | 848.03 mi (1,364.78 km) |
| Enghien to Orastie | 939.62 mi (1,512.17 km) |
| Enghien to Oravita | 903.78 mi (1,454.50 km) |
| Enghien to Orsova | 944.83 mi (1,520.55 km) |
| Enghien to Otelu Rosu | 914.76 mi (1,472.16 km) |
| Enghien to Otopeni | 1,105.38 mi (1,778.94 km) |
| Enghien to Ovidiu | 1,221.33 mi (1,965.54 km) |
