Customs clearance can take anywhere from a few hours to several days depending on the country, the type of goods being shipped, and the paperwork requirements. Generally, the more paperwork that is required, the longer the process may take. Additionally, some countries may have more stringent customs regulations than others, which could lead to longer clearance times. In order to ensure that your shipment is cleared in a timely manner, it is best to contact the customs office of the country to which the shipment is being sent and ask about any specific requirements or procedures that need to be followed.