Place
- Abu Dhabi, United Arab Emirates17
- Alabama13
- Alagoas (Brazil)3
- Alameda County (Calif.)18
- Alaska14
- Amador County (Calif.)2
- Amapá (Brazil : Territory)3
- Amazonas (Brazil)4
- American Canyon (Calif.)12
- American Samoa3
- Angwin (Calif.)2
- Angwin Airport (Calif.)2
- Antarctic Ocean1
- Arce (Brazil)4
- Arctic Ocean3
- Arizona13
- Arkansas13
- Atlantic Coast (Middle Atlantic States)1
- Atlantic Coast (N.C.)1
- Atlantic Coast (New England)2