Typical cost range for laying fibre optic cable per kilometer in the U. generally spans roughly $12,000 to $90,000, depending on terrain, urban density, and regulatory requirements. Commercial building installations with 100-200 network drops generally range from $15,000 to $30,000. Single-mode fiber costs less per foot than multimode fiber, but it requires more. Cable installation price refers to the total cost of deploying fibre or copper cabling across a site. It includes labour, materials, termination methods, routing complexity, and any environmental factors such as trenching or conduit work.