We found 21 flags matching these criteria: 10 Territory flags and 11 US state flags.
American Samoa, Bermuda, Diego Garcia, Falkland Islands, South Georgia and the South Sandwich Islands, British Indian Ocean Territory, Northern Mariana Islands, Montserrat, Saint Helena, Ascension and Tristan da Cunha, Sint Maarten (Dutch part)
Delaware, Florida, Idaho, Maine, Michigan, Minnesota, North Dakota, Utah, Virginia, West Virginia, Wisconsin