| Knottingley to Opole | 836.41 mi (1,346.08 km) |
| Knottingley to Orzesze | 883.43 mi (1,421.75 km) |
| Knottingley to Osowa | 798.52 mi (1,285.09 km) |
| Knottingley to Ostroda | 864.53 mi (1,391.32 km) |
| Knottingley to Ostroleka | 937.20 mi (1,508.27 km) |
| Knottingley to Ostrow Mazowiecka | 954.72 mi (1,536.47 km) |
| Knottingley to Ostrow Wielkopolski | 808.65 mi (1,301.39 km) |
| Knottingley to Ostrowiec Swietokrzyski | 971.15 mi (1,562.91 km) |
| Knottingley to Ostrzeszow | 818.43 mi (1,317.13 km) |
| Knottingley to Oswiecim | 905.67 mi (1,457.53 km) |
| Knottingley to Otwock | 940.54 mi (1,513.66 km) |
| Knottingley to Ozarow Mazowiecki | 919.64 mi (1,480.02 km) |
| Knottingley to Ozimek | 847.62 mi (1,364.11 km) |
| Knottingley to Ozorkow | 862.28 mi (1,387.71 km) |
| Knottingley to Pabianice | 872.69 mi (1,404.46 km) |
