This is a list of the countries needed. The actual track locations are underlined under each country and I highlighted the shortest track in each country. To set this up, go to race creator and use the following settings and also set the difficulty to easy.
Modifiers: 0
Discipline: Circuit Racing
Class: any (but there is another achievements tied to some of these locations; if you plan carefully you can get those as well)
Conditions: any (use snow if you want the achievement for completing 5 races in the snow)
Laps: 1
Drivers: 2 (you should be able to pass the other driver by the end of each race with ease)
Spain
Barcelona – Torres Venecianes Loop (0.74mi)
England
Brands Hatch – Indy Circuit or Indy Circuit B (1.22mi)
London – Horse Guards Sprint (1.02mi)
United States
Chicago – Riverside (1.01mi)
Crescent Valley – Club Circuit (1.47mi)
Indianapolis – Road Course or Road Course B (2.45mi)
San Francisco – Short Circuit B (0.94mi)
UAE
Dubai – Gulf Approach (1.22mi)
Cuba
Havana – El Capitolio (1.03mi)
Australia
Mount Panorama – Mount Panorama Circuit or Mount Panorama Circuit B (3.85mi)
Sydney Motorsport Park – Amaroo Circuit or Amaroo Circuit B (1.11mi)
Russia
Moscow – Kitay-Gorod Loop (1.82mi)
Japan
Okutama GP – Sprint Circuit or Sprint Circuit B (1.44mi)
Okutama – Sakura Pass (2.25mi)
Suzuka Circuit – East Course or East Course B (1.39mi)
Yokohama Docks – Dockside Sprint or Dockside Sprint B (1.20mi)
France
Paris – Pont De L’Alma – (1.55mi)
Austria
Red Bull Ring – North Circuit or North Circuit B (1.15mi)
Malaysia
Sepang International Circuit – South Track or South Track B (1.62mi)
China
Shanghai – Lujiazui Eight Ring (1.32mi)
Zhejiang Circuit – East Track or East Track B (0.96mi)
Italy
Strada Alpina – Strada Alpina – Circuito del club or Strada Alpina – Circuito del club B (2.81mi)