| Nea Erythraia to Navodari | 497.70 mi (800.98 km) |
| Nea Erythraia to Negresti-Oas | 676.44 mi (1,088.63 km) |
| Nea Erythraia to Nehoiu | 518.36 mi (834.21 km) |
| Nea Erythraia to Ocna Mures | 573.94 mi (923.67 km) |
| Nea Erythraia to Odobesti | 556.41 mi (895.45 km) |
| Nea Erythraia to Odorheiu Secuiesc | 573.71 mi (923.29 km) |
| Nea Erythraia to Oltenita | 439.95 mi (708.03 km) |
| Nea Erythraia to Onesti | 584.63 mi (940.86 km) |
| Nea Erythraia to Oradea | 628.46 mi (1,011.41 km) |
| Nea Erythraia to Orastie | 537.56 mi (865.11 km) |
| Nea Erythraia to Oravita | 493.10 mi (793.57 km) |
| Nea Erythraia to Orsova | 464.76 mi (747.96 km) |
| Nea Erythraia to Otelu Rosu | 519.21 mi (835.58 km) |
| Nea Erythraia to Otopeni | 461.80 mi (743.20 km) |
| Nea Erythraia to Ovidiu | 493.32 mi (793.92 km) |
