| Buren to Navodari | 1,048.99 mi (1,688.18 km) |
| Buren to Negresti-Oas | 709.31 mi (1,141.53 km) |
| Buren to Nehoiu | 915.44 mi (1,473.26 km) |
| Buren to Ocna Mures | 777.83 mi (1,251.80 km) |
| Buren to Odobesti | 930.65 mi (1,497.74 km) |
| Buren to Odorheiu Secuiesc | 838.80 mi (1,349.92 km) |
| Buren to Oltenita | 980.27 mi (1,577.59 km) |
| Buren to Onesti | 900.78 mi (1,449.67 km) |
| Buren to Oradea | 675.07 mi (1,086.41 km) |
| Buren to Orastie | 772.81 mi (1,243.72 km) |
| Buren to Oravita | 750.46 mi (1,207.74 km) |
| Buren to Orsova | 790.94 mi (1,272.90 km) |
| Buren to Otelu Rosu | 754.08 mi (1,213.57 km) |
| Buren to Otopeni | 938.53 mi (1,510.42 km) |
| Buren to Ovidiu | 1,048.90 mi (1,688.04 km) |
