| Perenchies to Navodari | 1,267.04 mi (2,039.10 km) |
| Perenchies to Negresti-Oas | 938.89 mi (1,511.00 km) |
| Perenchies to Nehoiu | 1,133.66 mi (1,824.45 km) |
| Perenchies to Ocna Mures | 996.52 mi (1,603.75 km) |
| Perenchies to Odobesti | 1,153.86 mi (1,856.96 km) |
| Perenchies to Odorheiu Secuiesc | 1,061.17 mi (1,707.79 km) |
| Perenchies to Oltenita | 1,190.40 mi (1,915.77 km) |
| Perenchies to Onesti | 1,126.52 mi (1,812.96 km) |
| Perenchies to Oradea | 893.47 mi (1,437.90 km) |
| Perenchies to Orastie | 984.44 mi (1,584.31 km) |
| Perenchies to Oravita | 947.31 mi (1,524.54 km) |
| Perenchies to Orsova | 988.34 mi (1,590.59 km) |
| Perenchies to Otelu Rosu | 959.02 mi (1,543.40 km) |
| Perenchies to Otopeni | 1,150.07 mi (1,850.86 km) |
| Perenchies to Ovidiu | 1,266.47 mi (2,038.19 km) |
