The cheapest mode of transport over long distances is generally water transport. Water transport, such as shipping and freight by sea, is often the most cost-effective method for transporting goods over long distances.
In comparison to air transport, water transport requires significantly less fuel to carry goods over long distances.
Water transport is particularly advantageous when it comes to transporting large quantities of goods or bulk cargo.
Ships and vessels can carry massive amounts of goods in a single journey, resulting in lower per-unit transportation costs compared to other modes of transport.
It enables the movement of goods between distant regions, contributing to global economic interconnectedness and facilitating the exchange of goods and resources between nations.