Round 6 of the 1956 FIA Formula One World Championship returned to the Silverstone Circuit for the 9th RAC British Grand Prix.
Round 5 of the 1956 FIA Formula One World Championship returned to the Reims-Gueux for the XLII Grand Prix de l' ACF.
Round 4 of the 1956 FIA Formula One World Championship returned to the Circuit de Spa-Francorchamps for the XVIII Grand Prix de Belgique.
Round 3 of the 1956 FIA Formula One World Championship returned to the Indianapolis Motor Speedway for the 40th International 500-Mile Sweepstakes.
Round 2 of the 1956 FIA Formula One World Championship returned to the Circuit de Monaco for the XIV Grand Prix Automobile de Monaco.
Round 1 of the 1956 FIA Formula One World Championship returned to the Autódromo Oscar Alfredo Gálvez for the IV Gran Premio de la Republica Argentina.
Round 7 of the 1955 FIA Formula One World Championship returned to the Autodromo Nazionale di Monza for the XXVI Gran Premio d'Italia.
Round 6 of the 1955 FIA Formula One World Championship arrived at the Aintree Motor Racing Circuit for the 8th RAC British Grand Prix.
Round 5 of the 1955 FIA Formula One World Championship returned to the Circuit Zandvoort for the V Grote Prijs van Nederland.
Round 4 of the 1955 FIA Formula One World Championship returned to the Circuit de Spa-Francorchamps for the XVII Grand Prix de Belgique.