Metropolitan and Micropolitan areas near South Lake Portage, Cook County, Minnesota South Lake Portage Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about South Lake Portage, Cook County, Minnesota Nearest metro area is Merrill, Wisconsin Click here for more outdoors activities near Merrill, Wisconsin General Camping Information List of nearby metros and micros: Merrill, Wisconsin, 138.9 miles away Duluth, Minnesota-Wisconsin, 141 miles away Houghton, Michigan, 146.9 miles away Iron Mountain, Michigan-Wisconsin, 194.7 miles away Marquette, Michigan, 214.6 miles away Marinette, Wisconsin-Michigan, 223.1 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Minnesota Outdoors Index