| Haverhill to Opole | 758.91 mi (1,221.35 km) |
| Haverhill to Orzesze | 803.06 mi (1,292.40 km) |
| Haverhill to Osowa | 760.51 mi (1,223.93 km) |
| Haverhill to Ostroda | 819.02 mi (1,318.08 km) |
| Haverhill to Ostroleka | 886.51 mi (1,426.70 km) |
| Haverhill to Ostrow Mazowiecka | 901.87 mi (1,451.42 km) |
| Haverhill to Ostrow Wielkopolski | 740.22 mi (1,191.26 km) |
| Haverhill to Ostrowiec Swietokrzyski | 901.70 mi (1,451.15 km) |
| Haverhill to Ostrzeszow | 747.89 mi (1,203.61 km) |
| Haverhill to Oswiecim | 825.30 mi (1,328.19 km) |
| Haverhill to Otwock | 880.94 mi (1,417.74 km) |
| Haverhill to Ozarow Mazowiecki | 860.41 mi (1,384.70 km) |
| Haverhill to Ozimek | 770.68 mi (1,240.29 km) |
| Haverhill to Ozorkow | 798.93 mi (1,285.75 km) |
| Haverhill to Pabianice | 806.49 mi (1,297.92 km) |
