Bermuda
about one-third the size of Washington, DC
Bhutan
about one-half the size of Indiana
Bolivia
slightly less than three times the size of Montana
Bosnia and Herzegovina
slightly smaller than West Virginia
Botswana
slightly smaller than Texas
Bouvet Island
about 0.3 times the size of Washington, DC
Brazil
slightly smaller than the US
British Indian Ocean Territory land area is 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