| Cities | Distance |
|---|---|
| Sinaia to Nasaud | 144.31 mi (232.25 km) |
| Sinaia to Navodari | 166.00 mi (267.15 km) |
| Sinaia to Negresti-Oas | 201.22 mi (323.83 km) |
| Sinaia to Nehoiu | 36.59 mi (58.89 km) |
| Sinaia to Ocna Mures | 108.55 mi (174.70 km) |
| Sinaia to Odobesti | 78.76 mi (126.75 km) |
| Sinaia to Odorheiu Secuiesc | 67.68 mi (108.91 km) |
| Sinaia to Oltenita | 102.26 mi (164.57 km) |
| Sinaia to Onesti | 85.91 mi (138.27 km) |
| Sinaia to Oradea | 210.41 mi (338.62 km) |
| Sinaia to Orastie | 118.80 mi (191.19 km) |
| Sinaia to Oravita | 189.43 mi (304.86 km) |
| Sinaia to Orsova | 159.98 mi (257.46 km) |
| Sinaia to Otelu Rosu | 155.51 mi (250.27 km) |
| Sinaia to Otopeni | 60.81 mi (97.87 km) |