According to wikipedia, these are potential bidders for the 2020 games. Cape Town, South Africa Durban, South Africa Rabat, Morocco Busan, South Korea Delhi, India Doha, Qatar Dubai, United Arab Emirates Kuala Lumpur, Malaysia Baku, Azerbaijan Istanbul, Turkey Romagna, Italy Rome, Italy St. Petersburg, Russia Warsaw, Poland Toronto, Canada Guadalajara, Mexico Monterrey, Mexico Birmingham, Alabama Denver, Colorado Boston, Massachusetts Detroit, Michigan Minneapolis/St. Paul, Minnesota Pittsburgh, Pennsylvania Lima, Peru