| Knottingley to Octeville | 282.27 mi (454.28 km) |
| Knottingley to Oignies | 287.00 mi (461.88 km) |
| Knottingley to Oissel | 317.76 mi (511.39 km) |
| Knottingley to Olivet | 426.28 mi (686.03 km) |
| Knottingley to Ollioules | 798.29 mi (1,284.72 km) |
| Knottingley to Olonne-sur-Mer | 495.86 mi (798.01 km) |
| Knottingley to Oloron-Sainte-Marie | 726.81 mi (1,169.69 km) |
| Knottingley to Onet Village | 668.10 mi (1,075.20 km) |
| Knottingley to Onnaing | 308.01 mi (495.69 km) |
| Knottingley to Orange | 715.31 mi (1,151.18 km) |
| Knottingley to Orchies | 293.48 mi (472.31 km) |
| Knottingley to Orleans | 423.86 mi (682.13 km) |
| Knottingley to Orly | 377.14 mi (606.95 km) |
| Knottingley to Ormesson-sur-Marne | 377.17 mi (606.99 km) |
| Knottingley to Orsay | 376.47 mi (605.86 km) |
