| Barnsley to Opole | 844.65 mi (1,359.33 km) |
| Barnsley to Orzesze | 891.41 mi (1,434.59 km) |
| Barnsley to Osowa | 809.89 mi (1,303.39 km) |
| Barnsley to Ostroda | 875.45 mi (1,408.91 km) |
| Barnsley to Ostroleka | 947.81 mi (1,525.35 km) |
| Barnsley to Ostrow Mazowiecka | 965.18 mi (1,553.31 km) |
| Barnsley to Ostrow Wielkopolski | 817.72 mi (1,316.00 km) |
| Barnsley to Ostrowiec Swietokrzyski | 980.25 mi (1,577.56 km) |
| Barnsley to Ostrzeszow | 827.32 mi (1,331.44 km) |
| Barnsley to Oswiecim | 913.66 mi (1,470.40 km) |
| Barnsley to Otwock | 950.47 mi (1,529.64 km) |
| Barnsley to Ozarow Mazowiecki | 929.59 mi (1,496.02 km) |
| Barnsley to Ozimek | 855.92 mi (1,377.47 km) |
| Barnsley to Ozorkow | 871.84 mi (1,403.10 km) |
| Barnsley to Pabianice | 882.02 mi (1,419.47 km) |
