Distances Between United States Ports contains distances from a port of the United States to other ports in the United States, and from a port in the Great Lakes in the United States to Canadian ports in the Great Lakes and St. Lawrence River. It covers the west coast of Alaska down to San Diego, including the Hawaiian Islands. It also covers the Great Lakes and the east coast of the United States including the Gulf of Mexico.

Includes the Proceedings of the Royal geographical society, formerly pub. separately.