| Nagykoros to Navodari | 465.26 mi (748.77 km) |
| Nagykoros to Negresti-Oas | 179.60 mi (289.04 km) |
| Nagykoros to Nehoiu | 332.66 mi (535.37 km) |
| Nagykoros to Ocna Mures | 198.12 mi (318.85 km) |
| Nagykoros to Odobesti | 357.72 mi (575.70 km) |
| Nagykoros to Odorheiu Secuiesc | 266.21 mi (428.42 km) |
| Nagykoros to Oltenita | 388.82 mi (625.74 km) |
| Nagykoros to Onesti | 335.51 mi (539.94 km) |
| Nagykoros to Oradea | 100.64 mi (161.96 km) |
| Nagykoros to Orastie | 182.01 mi (292.92 km) |
| Nagykoros to Oravita | 165.14 mi (265.77 km) |
| Nagykoros to Orsova | 202.99 mi (326.68 km) |
| Nagykoros to Otelu Rosu | 161.23 mi (259.48 km) |
| Nagykoros to Otopeni | 347.91 mi (559.91 km) |
| Nagykoros to Ovidiu | 464.52 mi (747.58 km) |
