Round 6 of the 1965 FIA Formula One World Championship returned to the Circuit Zandvoort for the XIII Grote Prijs van Nederland.
Round 5 of the 1965 FIA Formula One World Championship returned to the Silverstone Circuit for the XVIII RAC British Grand Prix.
Round 4 of the 1965 FIA Formula One World Championship arrived at the Circuit de Charade for the 51e Grand Prix de l' ACF.
Round 3 of the 1965 FIA Formula One World Championship returned to the Circuit de Spa-Francorchamps for the XXV Grand Prix de Belgique.
Round 2 of the 1965 FIA Formula One World Championship returned to the Circuit de Monaco for the XXIII Grand Prix de Monaco.
Round 1 of the 1965 FIA Formula One World Championship returned to the Prince George Circuit for the 11th International RAC Grand Prix of South Africa.
Round 10 of the 1964 FIA Formula One World Championship returned to the Autódromo Hermanos Rodríguez for the III Gran Premio de México.
Round 9 of the 1964 FIA Formula One World Championship returned to the Watkins Glen International for the VII United States Grand Prix.
Round 8 of the 1964 FIA Formula One World Championship returned to the Autodromo Nazionale di Monza for the XXXV Gran Premio d'Italia.
Round 7 of the 1964 FIA Formula One World Championship arrived at the Zeltweg Airfield for the II Großer Preis von Österreich.