| Ergolding to Navodari | 834.40 mi (1,342.83 km) |
| Ergolding to Negresti-Oas | 520.04 mi (836.92 km) |
| Ergolding to Nehoiu | 701.75 mi (1,129.36 km) |
| Ergolding to Ocna Mures | 565.97 mi (910.83 km) |
| Ergolding to Odobesti | 725.03 mi (1,166.83 km) |
| Ergolding to Odorheiu Secuiesc | 632.55 mi (1,018.00 km) |
| Ergolding to Oltenita | 755.41 mi (1,215.72 km) |
| Ergolding to Onesti | 700.11 mi (1,126.72 km) |
| Ergolding to Oradea | 464.01 mi (746.75 km) |
| Ergolding to Orastie | 550.55 mi (886.02 km) |
| Ergolding to Oravita | 511.85 mi (823.74 km) |
| Ergolding to Orsova | 552.89 mi (889.80 km) |
| Ergolding to Otelu Rosu | 523.66 mi (842.74 km) |
| Ergolding to Otopeni | 715.49 mi (1,151.47 km) |
| Ergolding to Ovidiu | 833.62 mi (1,341.58 km) |
