| Cities | Distance |
|---|---|
| Ercolano to Navodari | 764.37 mi (1,230.13 km) |
| Ercolano to Negresti-Oas | 662.19 mi (1,065.69 km) |
| Ercolano to Nehoiu | 679.48 mi (1,093.51 km) |
| Ercolano to Ocna Mures | 612.14 mi (985.15 km) |
| Ercolano to Odobesti | 724.67 mi (1,166.25 km) |
| Ercolano to Odorheiu Secuiesc | 666.74 mi (1,073.02 km) |
| Ercolano to Oltenita | 665.55 mi (1,071.10 km) |
| Ercolano to Onesti | 726.28 mi (1,168.84 km) |
| Ercolano to Oradea | 573.65 mi (923.20 km) |
| Ercolano to Orastie | 564.77 mi (908.91 km) |
| Ercolano to Oravita | 472.52 mi (760.44 km) |
| Ercolano to Orsova | 489.68 mi (788.06 km) |
| Ercolano to Otelu Rosu | 518.19 mi (833.94 km) |
| Ercolano to Otopeni | 648.51 mi (1,043.67 km) |
| Ercolano to Ovidiu | 760.98 mi (1,224.68 km) |