- 's-Hertogenbosch, Netherlands
- 100 Mile House, BC Canada
- Aachen, Germany
- Aalen, Germany
- Aalsmeer, Netherlands
- Aarhus, Denmark
- Abac, GA
- Abbeville, AL
- Abbeville, GA
- Abbeville, LA
- Abbeville, SC
- Abbotsford, BC Canada
- Abbott Park, IL
- Abee, AB Canada
- Aberdeen Proving Ground, MD
- Aberdeen, Hong Kong
- Aberdeen, MD
- Aberdeen, NC
- Aberdeen, SD
- Aberdeen, United Kingdom
- Aberdeen, WA
- Aberdeenshire, United Kingdom
- Aberystwyth, United Kingdom
- Abha, Saudi Arabia
- Abidjan, Cote d'Ivoire (Ivory Coast)
- Abidjan, Ivory Coast
- Abilene, TX
- Abingdon, MD
- Abingdon, United Kingdom
- Abingdon, VA
- Abington, MA
- Abington, PA
- Abrams, WI
- Absecon, NJ
- Abu Alandah, Jordan
- Abu Dhabi, United Arab Emirates
- Abuja, Nigeria
- Acapulco, Mexico
- Accokeek, MD
- Accra, Ghana
- Accrington, United Kingdom
- Acton Vale, QC Canada
- Acton, MA
- Acworth, GA
- Ad Dammam, Saudi Arabia
- Ada, MI
- Ada, OK
- Adad, Somalia
- Adair Village, OR
- Adairsville, GA
- Adana, Turkey
- Addis Ababa, Ethiopia
- Addison, IL
- Addison, NY
- Addison, TX
- Addlestone, United Kingdom
- Adelaide, SA Australia
- Adelanto, CA
- Adolph, MN
- Adrar, Algeria
- Adrian, MI
- Aerdenhout, Netherlands
- Afton, MI
- Agartala, India
- Agawam, MA
- Agoura Hills, CA
- Agra, India
- Agrate Brianza, Italy
- Aguascalientes, Mexico
- Ahmadabad, India
- Ahmadi, Kuwait
- Ahmedabad, India
- Ahoskie, NC
- Ahvaz, Iran
- Aiea, HI
- Aiken, SC
- Aiken, TX
- Ainsworth, NE
- Airdrie, AB Canada
- Airdrie, United Kingdom
- Airmont, NY
- Airville, PA
- Aix-en-Provence, France
- Aix-les-Bains, France
- Ajax, ON Canada
- Ajka, Hungary
- Ajman, United Arab Emirates
- Ajmer, India
- Akjoujt, Mauritania
- Akola, India
- Akron, NY
- Akron, OH
- Aktau, Kazakhstan
- Akure, Nigeria
- Al Ain, United Arab Emirates
- Al Aqabah, Jordan
- Al Ayn, United Arab Emirates
- Al Basrah, Iraq
- Al Fujayrah, United Arab Emirates
- Al Jizah, Egypt