| Rockville Centre to Nasaud | 4,560.12 mi (7,338.80 km) |
| Rockville Centre to Navodari | 4,844.55 mi (7,796.55 km) |
| Rockville Centre to Negresti-Oas | 4,499.47 mi (7,241.19 km) |
| Rockville Centre to Nehoiu | 4,711.36 mi (7,582.20 km) |
| Rockville Centre to Ocna Mures | 4,574.02 mi (7,361.18 km) |
| Rockville Centre to Odobesti | 4,723.94 mi (7,602.45 km) |
| Rockville Centre to Odorheiu Secuiesc | 4,633.28 mi (7,456.54 km) |
| Rockville Centre to Oltenita | 4,776.71 mi (7,687.38 km) |
| Rockville Centre to Onesti | 4,692.24 mi (7,551.43 km) |
| Rockville Centre to Oradea | 4,471.56 mi (7,196.27 km) |
| Rockville Centre to Orastie | 4,569.22 mi (7,353.45 km) |
| Rockville Centre to Oravita | 4,540.09 mi (7,306.56 km) |
| Rockville Centre to Orsova | 4,581.10 mi (7,372.56 km) |
| Rockville Centre to Otelu Rosu | 4,548.41 mi (7,319.95 km) |
| Rockville Centre to Otopeni | 4,735.11 mi (7,620.43 km) |
