| Port Washington to Opole | 4,181.15 mi (6,728.91 km) |
| Port Washington to Orzesze | 4,230.15 mi (6,807.77 km) |
| Port Washington to Osowa | 4,075.43 mi (6,558.76 km) |
| Port Washington to Ostroda | 4,152.77 mi (6,683.24 km) |
| Port Washington to Ostroleka | 4,231.76 mi (6,810.35 km) |
| Port Washington to Ostrow Mazowiecka | 4,253.13 mi (6,844.75 km) |
| Port Washington to Ostrow Wielkopolski | 4,143.42 mi (6,668.19 km) |
| Port Washington to Ostrowiec Swietokrzyski | 4,302.01 mi (6,923.42 km) |
| Port Washington to Ostrzeszow | 4,155.65 mi (6,687.87 km) |
| Port Washington to Oswiecim | 4,252.07 mi (6,843.05 km) |
| Port Washington to Otwock | 4,254.63 mi (6,847.16 km) |
| Port Washington to Ozarow Mazowiecki | 4,234.10 mi (6,814.13 km) |
| Port Washington to Ozimek | 4,191.57 mi (6,745.68 km) |
| Port Washington to Ozorkow | 4,187.19 mi (6,738.63 km) |
| Port Washington to Pabianice | 4,201.81 mi (6,762.17 km) |
