| 1 | Argentine Grand Prix | 15th Jan 1978 | Autódromo Juan y Oscar Gálvez
Buenos Aires, Argentina | Mario Andretti (Team Lotus) |
| 2 | Brazilian Grand Prix | 29th Jan 1978 | Autódromo Internacional Nelson Piquet
Rio de Janeiro, Brazil | Carlos Reutemann (Ferrari) |
| 3 | South African Grand Prix | 4th Mar 1978 | Kyalami
Midrand, South Africa | Ronnie Peterson (Team Lotus) |
| 4 | United States Grand Prix West | 2nd Apr 1978 | Long Beach
California, USA | Carlos Reutemann (Ferrari) |
| 5 | Monaco Grand Prix | 7th May 1978 | Circuit de Monaco
Monte-Carlo, Monaco | Patrick Depailler (Tyrrell) |
| 6 | Belgian Grand Prix | 21st May 1978 | Zolder
Heusden-Zolder, Belgium | Mario Andretti (Team Lotus) |
| 7 | Spanish Grand Prix | 4th Jun 1978 | Jarama
Madrid, Spain | Mario Andretti (Team Lotus) |
| 8 | Swedish Grand Prix | 17th Jun 1978 | Scandinavian Raceway
Anderstorp, Sweden | Niki Lauda (Brabham) |
| 9 | French Grand Prix | 2nd Jul 1978 | Circuit Paul Ricard
Le Castellet, France | Mario Andretti (Team Lotus) |
| 10 | British Grand Prix | 16th Jul 1978 | Brands Hatch
Kent, UK | Carlos Reutemann (Ferrari) |
| 11 | German Grand Prix | 30th Jul 1978 | Hockenheimring
Hockenheim, Germany | Mario Andretti (Team Lotus) |
| 12 | Austrian Grand Prix | 13th Aug 1978 | Red Bull Ring
Spielberg, Austria | Ronnie Peterson (Team Lotus) |
| 13 | Dutch Grand Prix | 27th Aug 1978 | Circuit Park Zandvoort
Zandvoort, Netherlands | Mario Andretti (Team Lotus) |
| 14 | Italian Grand Prix | 10th Sep 1978 | Autodromo Nazionale di Monza
Monza, Italy | Niki Lauda (Brabham) |
| 15 | United States Grand Prix | 1st Oct 1978 | Watkins Glen
New York State, USA | Carlos Reutemann (Ferrari) |
| 16 | Canadian Grand Prix | 8th Oct 1978 | Circuit Gilles Villeneuve
Montreal, Canada | Gilles Villeneuve (Ferrari) |