The 2004 CIA World Factbook

by United States. Central Intelligence Agency

Man, Isle of
slightly more than three times the size of Washington,
DC

Marshall Islands
about the size of Washington, DC

Martinique
slightly more than six times the size of Washington, DC

Mauritania
slightly larger than three times the size of New Mexico

Mauritius
almost 11 times the size of Washington, DC

Mayotte
slightly more than twice the size of Washington, DC

Mexico
slightly less than three times the size of Texas

Micronesia, Federated States of
four times the size of Washington,
DC (land area only)

Midway Islands
about nine times the size of The Mall in Washington,
DC

Moldova
slightly larger than Maryland