| Mastic Beach to Nasaud | 4,524.40 mi (7,281.33 km) |
| Mastic Beach to Navodari | 4,808.55 mi (7,738.61 km) |
| Mastic Beach to Negresti-Oas | 4,463.80 mi (7,183.80 km) |
| Mastic Beach to Nehoiu | 4,675.29 mi (7,524.16 km) |
| Mastic Beach to Ocna Mures | 4,537.89 mi (7,303.03 km) |
| Mastic Beach to Odobesti | 4,688.15 mi (7,544.85 km) |
| Mastic Beach to Odorheiu Secuiesc | 4,597.37 mi (7,398.75 km) |
| Mastic Beach to Oltenita | 4,740.28 mi (7,628.74 km) |
| Mastic Beach to Onesti | 4,656.57 mi (7,494.02 km) |
| Mastic Beach to Oradea | 4,435.35 mi (7,138.01 km) |
| Mastic Beach to Orastie | 4,532.79 mi (7,294.83 km) |
| Mastic Beach to Oravita | 4,503.13 mi (7,247.09 km) |
| Mastic Beach to Orsova | 4,544.15 mi (7,313.11 km) |
| Mastic Beach to Otelu Rosu | 4,511.72 mi (7,260.92 km) |
| Mastic Beach to Otopeni | 4,698.73 mi (7,561.87 km) |
