| Uniondale to Opole | 4,183.21 mi (6,732.22 km) |
| Uniondale to Orzesze | 4,232.18 mi (6,811.03 km) |
| Uniondale to Osowa | 4,078.07 mi (6,563.02 km) |
| Uniondale to Ostroda | 4,155.38 mi (6,687.43 km) |
| Uniondale to Ostroleka | 4,234.35 mi (6,814.53 km) |
| Uniondale to Ostrow Mazowiecka | 4,255.70 mi (6,848.89 km) |
| Uniondale to Ostrow Wielkopolski | 4,145.62 mi (6,671.73 km) |
| Uniondale to Ostrowiec Swietokrzyski | 4,304.29 mi (6,927.09 km) |
| Uniondale to Ostrzeszow | 4,157.82 mi (6,691.36 km) |
| Uniondale to Oswiecim | 4,254.11 mi (6,846.33 km) |
| Uniondale to Otwock | 4,257.07 mi (6,851.09 km) |
| Uniondale to Ozarow Mazowiecki | 4,236.54 mi (6,818.04 km) |
| Uniondale to Ozimek | 4,193.64 mi (6,749.02 km) |
| Uniondale to Ozorkow | 4,189.51 mi (6,742.36 km) |
| Uniondale to Pabianice | 4,204.09 mi (6,765.83 km) |
