| Knottingley to Olivares | 1,149.43 mi (1,849.82 km) |
| Knottingley to Olivenza | 1,073.89 mi (1,728.27 km) |
| Knottingley to Olot | 814.43 mi (1,310.71 km) |
| Knottingley to Onate | 739.26 mi (1,189.73 km) |
| Knottingley to Onda | 950.63 mi (1,529.89 km) |
| Knottingley to Onteniente | 1,028.75 mi (1,655.61 km) |
| Knottingley to Orihuela | 1,079.29 mi (1,736.95 km) |
| Knottingley to Osuna | 1,152.85 mi (1,855.33 km) |
| Knottingley to Ourense | 841.98 mi (1,355.04 km) |
| Knottingley to Oviedo | 744.66 mi (1,198.41 km) |
| Knottingley to Paiporta | 987.23 mi (1,588.79 km) |
| Knottingley to Pajara | 1,868.86 mi (3,007.64 km) |
| Knottingley to Palafolls | 851.80 mi (1,370.83 km) |
| Knottingley to Palafrugell | 839.36 mi (1,350.83 km) |
| Knottingley to Palamos | 843.82 mi (1,357.99 km) |
