| Estarreja to Navodari | 1,892.48 mi (3,045.65 km) |
| Estarreja to Negresti-Oas | 1,642.92 mi (2,644.03 km) |
| Estarreja to Nehoiu | 1,774.76 mi (2,856.20 km) |
| Estarreja to Ocna Mures | 1,656.87 mi (2,666.48 km) |
| Estarreja to Odobesti | 1,810.58 mi (2,913.85 km) |
| Estarreja to Odorheiu Secuiesc | 1,725.51 mi (2,776.94 km) |
| Estarreja to Oltenita | 1,796.50 mi (2,891.19 km) |
| Estarreja to Onesti | 1,795.58 mi (2,889.70 km) |
| Estarreja to Oradea | 1,567.98 mi (2,523.43 km) |
| Estarreja to Orastie | 1,624.34 mi (2,614.12 km) |
| Estarreja to Oravita | 1,550.25 mi (2,494.89 km) |
| Estarreja to Orsova | 1,585.18 mi (2,551.11 km) |
| Estarreja to Otelu Rosu | 1,583.05 mi (2,547.67 km) |
| Estarreja to Otopeni | 1,766.14 mi (2,842.32 km) |
| Estarreja to Ovidiu | 1,890.21 mi (3,041.99 km) |
