| Rocca Priora to Navodari | 817.67 mi (1,315.91 km) |
| Rocca Priora to Negresti-Oas | 669.46 mi (1,077.39 km) |
| Rocca Priora to Nehoiu | 720.15 mi (1,158.97 km) |
| Rocca Priora to Ocna Mures | 635.08 mi (1,022.07 km) |
| Rocca Priora to Odobesti | 763.34 mi (1,228.47 km) |
| Rocca Priora to Odorheiu Secuiesc | 695.68 mi (1,119.60 km) |
| Rocca Priora to Oltenita | 718.50 mi (1,156.31 km) |
| Rocca Priora to Onesti | 759.94 mi (1,223.01 km) |
| Rocca Priora to Oradea | 580.34 mi (933.96 km) |
| Rocca Priora to Orastie | 590.53 mi (950.36 km) |
| Rocca Priora to Oravita | 500.63 mi (805.69 km) |
| Rocca Priora to Orsova | 525.05 mi (844.99 km) |
| Rocca Priora to Otelu Rosu | 543.80 mi (875.16 km) |
| Rocca Priora to Otopeni | 696.22 mi (1,120.47 km) |
| Rocca Priora to Ovidiu | 814.63 mi (1,311.03 km) |
