| Ringsted to Navodari | 1,067.65 mi (1,718.22 km) |
| Ringsted to Negresti-Oas | 721.01 mi (1,160.36 km) |
| Ringsted to Nehoiu | 942.16 mi (1,516.27 km) |
| Ringsted to Ocna Mures | 814.76 mi (1,311.23 km) |
| Ringsted to Odobesti | 942.50 mi (1,516.81 km) |
| Ringsted to Odorheiu Secuiesc | 860.10 mi (1,384.19 km) |
| Ringsted to Oltenita | 1,022.62 mi (1,645.74 km) |
| Ringsted to Onesti | 907.24 mi (1,460.06 km) |
| Ringsted to Oradea | 723.97 mi (1,165.12 km) |
| Ringsted to Orastie | 827.94 mi (1,332.45 km) |
| Ringsted to Oravita | 839.45 mi (1,350.96 km) |
| Ringsted to Orsova | 875.01 mi (1,408.19 km) |
| Ringsted to Otelu Rosu | 826.16 mi (1,329.58 km) |
| Ringsted to Otopeni | 980.35 mi (1,577.72 km) |
| Ringsted to Ovidiu | 1,068.82 mi (1,720.09 km) |
