| East Islip to Opole | 4,167.27 mi (6,706.57 km) |
| East Islip to Orzesze | 4,216.18 mi (6,785.29 km) |
| East Islip to Osowa | 4,063.16 mi (6,539.02 km) |
| East Islip to Ostroda | 4,140.40 mi (6,663.33 km) |
| East Islip to Ostroleka | 4,219.35 mi (6,790.39 km) |
| East Islip to Ostrow Mazowiecka | 4,240.67 mi (6,824.69 km) |
| East Islip to Ostrow Wielkopolski | 4,129.91 mi (6,646.45 km) |
| East Islip to Ostrowiec Swietokrzyski | 4,288.74 mi (6,902.06 km) |
| East Islip to Ostrzeszow | 4,142.07 mi (6,666.01 km) |
| East Islip to Oswiecim | 4,238.13 mi (6,820.61 km) |
| East Islip to Otwock | 4,241.80 mi (6,826.51 km) |
| East Islip to Ozarow Mazowiecki | 4,221.24 mi (6,793.44 km) |
| East Islip to Ozimek | 4,177.73 mi (6,723.40 km) |
| East Islip to Ozorkow | 4,174.01 mi (6,717.43 km) |
| East Islip to Pabianice | 4,188.53 mi (6,740.79 km) |
