Bornholm — Denmark
Bosporus — Atlantic Ocean
Bothnia, Gulf of — Atlantic Ocean
Bougainville Island — Papua New Guinea
Bougainville Strait — Pacific Ocean
Bounty Islands — New Zealand
Brasilia [US Embassy] — Brazil
Bratislava [US Embassy] — Slovakia
Brazzaville [US Embassy] — Congo
Bridgetown [US Embassy] — Barbados