This study adopted the GIS (Geographic Information System) technique in determining the most optimal routes on the delivery of fresh vegetables to the selected hypermarkets in Bogor District. This technique would be able to help producers of fresh vegetables to effectively manage the delivery of their production by assisting them in selecting the optimal routes. The study employs a case study method in applying the GIS technique to determine the optimal routes in the delivery of fresh vegetables from a specific producer, namely Saung Mirwan. This is one of the most important farms producing and supplying fresh vegetables to supermarkets around the area of Bogor. The main objective of this research is application of Geographic Information System (GIS) by using the network analysis to solve the problem of finding the optimal set of routes. Visualization for this kind of study is the new method to performance the routes in form of maps for decision maker to solve the problem easily.