| Holtsville to Nasaud | 4,530.30 mi (7,290.81 km) |
| Holtsville to Navodari | 4,814.56 mi (7,748.29 km) |
| Holtsville to Negresti-Oas | 4,469.68 mi (7,193.25 km) |
| Holtsville to Nehoiu | 4,681.34 mi (7,533.89 km) |
| Holtsville to Ocna Mures | 4,543.96 mi (7,312.80 km) |
| Holtsville to Odobesti | 4,694.08 mi (7,554.39 km) |
| Holtsville to Odorheiu Secuiesc | 4,603.35 mi (7,408.37 km) |
| Holtsville to Oltenita | 4,746.48 mi (7,638.72 km) |
| Holtsville to Onesti | 4,662.44 mi (7,503.48 km) |
| Holtsville to Oradea | 4,441.45 mi (7,147.83 km) |
| Holtsville to Orastie | 4,538.99 mi (7,304.80 km) |
| Holtsville to Oravita | 4,509.56 mi (7,257.44 km) |
| Holtsville to Orsova | 4,550.58 mi (7,323.45 km) |
| Holtsville to Otelu Rosu | 4,518.03 mi (7,271.07 km) |
| Holtsville to Otopeni | 4,704.91 mi (7,571.82 km) |
