| Ozoir-la-Ferriere to Navodari | 1,263.44 mi (2,033.31 km) |
| Ozoir-la-Ferriere to Negresti-Oas | 952.13 mi (1,532.30 km) |
| Ozoir-la-Ferriere to Nehoiu | 1,131.90 mi (1,821.62 km) |
| Ozoir-la-Ferriere to Ocna Mures | 997.41 mi (1,605.17 km) |
| Ozoir-la-Ferriere to Odobesti | 1,156.85 mi (1,861.76 km) |
| Ozoir-la-Ferriere to Odorheiu Secuiesc | 1,064.60 mi (1,713.31 km) |
| Ozoir-la-Ferriere to Oltenita | 1,180.42 mi (1,899.70 km) |
| Ozoir-la-Ferriere to Onesti | 1,132.57 mi (1,822.70 km) |
| Ozoir-la-Ferriere to Oradea | 896.17 mi (1,442.24 km) |
| Ozoir-la-Ferriere to Orastie | 979.10 mi (1,575.71 km) |
| Ozoir-la-Ferriere to Oravita | 930.72 mi (1,497.85 km) |
| Ozoir-la-Ferriere to Orsova | 971.29 mi (1,563.14 km) |
| Ozoir-la-Ferriere to Otelu Rosu | 948.55 mi (1,526.54 km) |
| Ozoir-la-Ferriere to Otopeni | 1,141.88 mi (1,837.68 km) |
| Ozoir-la-Ferriere to Ovidiu | 1,262.42 mi (2,031.67 km) |
