| Uniondale to Nasaud | 4,555.94 mi (7,332.08 km) |
| Uniondale to Navodari | 4,840.39 mi (7,789.85 km) |
| Uniondale to Negresti-Oas | 4,495.29 mi (7,234.47 km) |
| Uniondale to Nehoiu | 4,707.21 mi (7,575.51 km) |
| Uniondale to Ocna Mures | 4,569.87 mi (7,354.49 km) |
| Uniondale to Odobesti | 4,719.77 mi (7,595.74 km) |
| Uniondale to Odorheiu Secuiesc | 4,629.11 mi (7,449.84 km) |
| Uniondale to Oltenita | 4,772.58 mi (7,680.72 km) |
| Uniondale to Onesti | 4,688.06 mi (7,544.70 km) |
| Uniondale to Oradea | 4,467.41 mi (7,189.60 km) |
| Uniondale to Orastie | 4,565.09 mi (7,346.79 km) |
| Uniondale to Oravita | 4,535.98 mi (7,299.96 km) |
| Uniondale to Orsova | 4,576.99 mi (7,365.96 km) |
| Uniondale to Otelu Rosu | 4,544.29 mi (7,313.32 km) |
| Uniondale to Otopeni | 4,730.97 mi (7,613.76 km) |
