| Knottingley to Noventa Vicentina | 814.76 mi (1,311.23 km) |
| Knottingley to Novi di Modena | 816.53 mi (1,314.07 km) |
| Knottingley to Novi Ligure | 764.60 mi (1,230.50 km) |
| Knottingley to Nuoro | 1,048.25 mi (1,686.99 km) |
| Knottingley to Occhiobello | 835.57 mi (1,344.71 km) |
| Knottingley to Oderzo | 819.79 mi (1,319.33 km) |
| Knottingley to Oggiono | 722.01 mi (1,161.96 km) |
| Knottingley to Olbia | 1,014.45 mi (1,632.60 km) |
| Knottingley to Oleggio | 712.08 mi (1,145.98 km) |
| Knottingley to Olgiate Comasco | 711.04 mi (1,144.31 km) |
| Knottingley to Olgiate Olona | 717.11 mi (1,154.08 km) |
| Knottingley to Omegna | 690.07 mi (1,110.56 km) |
| Knottingley to Opera | 740.54 mi (1,191.79 km) |
| Knottingley to Oppeano | 803.04 mi (1,292.36 km) |
| Knottingley to Orbassano | 718.18 mi (1,155.80 km) |
