| Knowsley to Noventa Vicentina | 855.77 mi (1,377.24 km) |
| Knowsley to Novi di Modena | 854.81 mi (1,375.69 km) |
| Knowsley to Novi Ligure | 796.48 mi (1,281.81 km) |
| Knowsley to Nuoro | 1,071.13 mi (1,723.82 km) |
| Knowsley to Occhiobello | 875.62 mi (1,409.18 km) |
| Knowsley to Oderzo | 864.45 mi (1,391.19 km) |
| Knowsley to Oggiono | 758.89 mi (1,221.32 km) |
| Knowsley to Olbia | 1,038.98 mi (1,672.08 km) |
| Knowsley to Oleggio | 746.17 mi (1,200.85 km) |
| Knowsley to Olgiate Comasco | 746.78 mi (1,201.83 km) |
| Knowsley to Olgiate Olona | 752.10 mi (1,210.38 km) |
| Knowsley to Omegna | 724.40 mi (1,165.81 km) |
| Knowsley to Opera | 775.70 mi (1,248.37 km) |
| Knowsley to Oppeano | 843.26 mi (1,357.09 km) |
| Knowsley to Orbassano | 746.70 mi (1,201.70 km) |
