| Southport to Opole | 907.55 mi (1,460.55 km) |
| Southport to Orzesze | 954.31 mi (1,535.81 km) |
| Southport to Osowa | 869.68 mi (1,399.61 km) |
| Southport to Ostroda | 936.14 mi (1,506.57 km) |
| Southport to Ostroleka | 1,009.01 mi (1,623.85 km) |
| Southport to Ostrow Mazowiecka | 1,026.60 mi (1,652.16 km) |
| Southport to Ostrow Wielkopolski | 880.40 mi (1,416.87 km) |
| Southport to Ostrowiec Swietokrzyski | 1,042.92 mi (1,678.42 km) |
| Southport to Ostrzeszow | 890.07 mi (1,432.43 km) |
| Southport to Oswiecim | 976.56 mi (1,571.62 km) |
| Southport to Otwock | 1,012.53 mi (1,629.51 km) |
| Southport to Ozarow Mazowiecki | 991.63 mi (1,595.87 km) |
| Southport to Ozimek | 918.81 mi (1,478.68 km) |
| Southport to Ozorkow | 934.22 mi (1,503.49 km) |
| Southport to Pabianice | 944.56 mi (1,520.12 km) |
