| Haverhill to Nasaud | 1,115.62 mi (1,795.42 km) |
| Haverhill to Navodari | 1,392.70 mi (2,241.33 km) |
| Haverhill to Negresti-Oas | 1,056.90 mi (1,700.92 km) |
| Haverhill to Nehoiu | 1,259.01 mi (2,026.18 km) |
| Haverhill to Ocna Mures | 1,121.33 mi (1,804.61 km) |
| Haverhill to Odobesti | 1,276.41 mi (2,054.18 km) |
| Haverhill to Odorheiu Secuiesc | 1,184.07 mi (1,905.58 km) |
| Haverhill to Oltenita | 1,319.76 mi (2,123.95 km) |
| Haverhill to Onesti | 1,247.43 mi (2,007.55 km) |
| Haverhill to Oradea | 1,018.15 mi (1,638.55 km) |
| Haverhill to Orastie | 1,112.64 mi (1,790.63 km) |
| Haverhill to Oravita | 1,081.00 mi (1,739.70 km) |
| Haverhill to Orsova | 1,122.01 mi (1,805.69 km) |
| Haverhill to Otelu Rosu | 1,089.90 mi (1,754.03 km) |
| Haverhill to Otopeni | 1,278.72 mi (2,057.91 km) |
