| Buckley to Opole | 908.82 mi (1,462.61 km) |
| Buckley to Orzesze | 954.86 mi (1,536.70 km) |
| Buckley to Osowa | 880.45 mi (1,416.95 km) |
| Buckley to Ostroda | 945.39 mi (1,521.46 km) |
| Buckley to Ostroleka | 1,017.21 mi (1,637.04 km) |
| Buckley to Ostrow Mazowiecka | 1,034.32 mi (1,664.57 km) |
| Buckley to Ostrow Wielkopolski | 884.01 mi (1,422.68 km) |
| Buckley to Ostrowiec Swietokrzyski | 1,046.51 mi (1,684.20 km) |
| Buckley to Ostrzeszow | 893.16 mi (1,437.41 km) |
| Buckley to Oswiecim | 977.14 mi (1,572.55 km) |
| Buckley to Otwock | 1,018.58 mi (1,639.25 km) |
| Buckley to Ozarow Mazowiecki | 997.74 mi (1,605.71 km) |
| Buckley to Ozimek | 920.26 mi (1,481.01 km) |
| Buckley to Ozorkow | 939.21 mi (1,511.52 km) |
| Buckley to Pabianice | 948.85 mi (1,527.03 km) |
