Please Note: Mileages indicated in Navigation Maps of the Illinois Waterway are in Statute Miles. Chicago, IL on the Chicago River is at location 41°43.8´N., 87°31.9´W.

Data Source: Distances Between United States Ports , 2002 (9th) Edition, by U.S. Dept. of Commerce & NOAA & NOS

If you find any errors in anything presented here, or you use a different method that works, please let me know.