| South Ockendon to Opole | 765.77 mi (1,232.39 km) |
| South Ockendon to Orzesze | 808.63 mi (1,301.37 km) |
| South Ockendon to Osowa | 779.97 mi (1,255.23 km) |
| South Ockendon to Ostroda | 836.11 mi (1,345.59 km) |
| South Ockendon to Ostroleka | 901.82 mi (1,451.34 km) |
| South Ockendon to Ostrow Mazowiecka | 916.48 mi (1,474.92 km) |
| South Ockendon to Ostrow Wielkopolski | 750.44 mi (1,207.71 km) |
| South Ockendon to Ostrowiec Swietokrzyski | 910.89 mi (1,465.94 km) |
| South Ockendon to Ostrzeszow | 757.34 mi (1,218.82 km) |
| South Ockendon to Oswiecim | 830.78 mi (1,337.02 km) |
| South Ockendon to Otwock | 893.50 mi (1,437.95 km) |
| South Ockendon to Ozarow Mazowiecki | 873.17 mi (1,405.23 km) |
| South Ockendon to Ozimek | 777.70 mi (1,251.59 km) |
| South Ockendon to Ozorkow | 810.59 mi (1,304.52 km) |
| South Ockendon to Pabianice | 817.17 mi (1,315.10 km) |
