British Indian Ocean Territory
about 0.3 times the size of
Washington, DC

British Virgin Islands
about 0.9 times the size of Washington, DC

Brunei
slightly smaller than Delaware

Bulgaria
slightly larger than Tennessee

Burkina Faso
slightly larger than Colorado

Burma
slightly smaller than Texas

Burundi
slightly smaller than Maryland

Cambodia
slightly smaller than Oklahoma

Cameroon
slightly larger than California

Canada
somewhat larger than the US