| Haverhill to Noventa Vicentina | 688.99 mi (1,108.82 km) |
| Haverhill to Novi di Modena | 688.65 mi (1,108.28 km) |
| Haverhill to Novi Ligure | 633.40 mi (1,019.36 km) |
| Haverhill to Nuoro | 915.74 mi (1,473.74 km) |
| Haverhill to Occhiobello | 709.01 mi (1,141.04 km) |
| Haverhill to Oderzo | 697.59 mi (1,122.66 km) |
| Haverhill to Oggiono | 593.16 mi (954.61 km) |
| Haverhill to Olbia | 881.96 mi (1,419.37 km) |
| Haverhill to Oleggio | 581.74 mi (936.21 km) |
| Haverhill to Olgiate Comasco | 581.53 mi (935.88 km) |
| Haverhill to Olgiate Olona | 587.20 mi (945.01 km) |
| Haverhill to Omegna | 559.82 mi (900.94 km) |
| Haverhill to Opera | 610.74 mi (982.89 km) |
| Haverhill to Oppeano | 676.60 mi (1,088.89 km) |
| Haverhill to Orbassano | 586.06 mi (943.17 km) |
