| Knottingley to Oerlinghausen | 430.54 mi (692.89 km) |
| Knottingley to Oestrich-Winkel | 469.91 mi (756.25 km) |
| Knottingley to Offenburg | 537.58 mi (865.15 km) |
| Knottingley to Oftersheim | 517.23 mi (832.40 km) |
| Knottingley to Ohrdruf | 543.40 mi (874.53 km) |
| Knottingley to Ohringen | 556.84 mi (896.14 km) |
| Knottingley to Olbernhau | 651.02 mi (1,047.72 km) |
| Knottingley to Olching | 664.69 mi (1,069.71 km) |
| Knottingley to Oldenburg | 391.23 mi (629.63 km) |
| Knottingley to Oldenburg in Holstein | 493.78 mi (794.67 km) |
| Knottingley to Olfen | 386.27 mi (621.64 km) |
| Knottingley to Olpe | 425.45 mi (684.69 km) |
| Knottingley to Olsberg | 439.82 mi (707.82 km) |
| Knottingley to Oranienburg | 601.66 mi (968.28 km) |
| Knottingley to Ortenberg | 494.74 mi (796.21 km) |
