| Port Arthur to Opole | 5,500.44 mi (8,852.10 km) |
| Port Arthur to Orzesze | 5,550.43 mi (8,932.56 km) |
| Port Arthur to Osowa | 5,370.01 mi (8,642.19 km) |
| Port Arthur to Ostroda | 5,448.56 mi (8,768.61 km) |
| Port Arthur to Ostroleka | 5,527.58 mi (8,895.77 km) |
| Port Arthur to Ostrow Mazowiecka | 5,549.81 mi (8,931.55 km) |
| Port Arthur to Ostrow Wielkopolski | 5,457.38 mi (8,782.80 km) |
| Port Arthur to Ostrowiec Swietokrzyski | 5,611.55 mi (9,030.91 km) |
| Port Arthur to Ostrzeszow | 5,470.70 mi (8,804.24 km) |
| Port Arthur to Oswiecim | 5,571.89 mi (8,967.09 km) |
| Port Arthur to Otwock | 5,557.34 mi (8,943.68 km) |
| Port Arthur to Ozarow Mazowiecki | 5,537.40 mi (8,911.59 km) |
| Port Arthur to Ozimek | 5,510.20 mi (8,867.81 km) |
| Port Arthur to Ozorkow | 5,495.81 mi (8,844.65 km) |
| Port Arthur to Pabianice | 5,512.10 mi (8,870.87 km) |
