This study centers on Internally Displaced Persons (IDPs)’ relief organisations in Nigeria with a focus on their First Mile Distribution (FMD) and Last Mile Distribution (LMD)’s operational logistics, transport management practices, as well as their impacts on IDPs especially during relief operations. This study aimed at assessing the operational logistics of Internally Displaced Persons’ (IDPs) relief organisations in Nigeria, with reference to National Emergency Management Agency (NEMA) and Jigawa State Emergency Agency (JISEMA). Specific objectives of the study were to assess the operational transport practices, determine performance and impacts of relief organisations’ logistics during relief aid distributions to IDPs, analyse relieforganisations’ transport operations’ challenges, and lastly examine the perception of IDPs’ on relief organisations’ LMD in the study area.