| Red Oak to Nasaud | 5,826.88 mi (9,377.46 km) |
| Red Oak to Navodari | 6,114.80 mi (9,840.81 km) |
| Red Oak to Negresti-Oas | 5,765.77 mi (9,279.12 km) |
| Red Oak to Nehoiu | 5,984.82 mi (9,631.63 km) |
| Red Oak to Ocna Mures | 5,850.50 mi (9,415.47 km) |
| Red Oak to Odobesti | 5,990.50 mi (9,640.78 km) |
| Red Oak to Odorheiu Secuiesc | 5,903.82 mi (9,501.28 km) |
| Red Oak to Oltenita | 6,058.28 mi (9,749.87 km) |
| Red Oak to Onesti | 5,956.29 mi (9,585.72 km) |
| Red Oak to Oradea | 5,750.99 mi (9,255.32 km) |
| Red Oak to Orastie | 5,852.85 mi (9,419.26 km) |
| Red Oak to Oravita | 5,836.27 mi (9,392.56 km) |
| Red Oak to Orsova | 5,876.68 mi (9,457.60 km) |
| Red Oak to Otelu Rosu | 5,838.21 mi (9,395.69 km) |
| Red Oak to Otopeni | 6,015.84 mi (9,681.56 km) |
