Marshall has visited Georgia, South Sudan, Saint Lucia, Paraguay, El Salvador, Equatorial Guinea, San Mmarino, Iran, Malta, Djibouti, Estonia, Uzbekistan, United States, Comoros, Nepal, Antigua & Barbuda, Tanzania, Saint Vincent & the Grenadines, Republic of the Congo, Tajikistan, Nigeria, Vietnam, Palau, Bahrain, Vanuatu and Myanmar
Marshall has visited less than twenty-eight places