| Cities | Distance |
|---|---|
| Ortona to Navodari | 726.18 mi (1,168.67 km) |
| Ortona to Negresti-Oas | 581.61 mi (936.00 km) |
| Ortona to Nehoiu | 627.69 mi (1,010.17 km) |
| Ortona to Ocna Mures | 543.72 mi (875.04 km) |
| Ortona to Odobesti | 670.87 mi (1,079.66 km) |
| Ortona to Odorheiu Secuiesc | 603.68 mi (971.53 km) |
| Ortona to Oltenita | 627.09 mi (1,009.20 km) |
| Ortona to Onesti | 667.63 mi (1,074.44 km) |
| Ortona to Oradea | 492.38 mi (792.41 km) |
| Ortona to Orastie | 498.72 mi (802.61 km) |
| Ortona to Oravita | 408.45 mi (657.34 km) |
| Ortona to Orsova | 432.58 mi (696.18 km) |
| Ortona to Otelu Rosu | 451.93 mi (727.31 km) |
| Ortona to Otopeni | 604.19 mi (972.35 km) |
| Ortona to Ovidiu | 723.20 mi (1,163.88 km) |