| 1 | Argentine Grand Prix (history) | Autódromo Juan y Oscar Gálvez, Buenos Aires | 15 Jan 1978 | Done | Mario Andretti | Mario Andretti |
| 2 | Brazilian Grand Prix (history) | Autódromo Internacional Nelson Piquet, Rio de Janeiro | 29 Jan 1978 | Done | Carlos Reutemann | Ronnie Peterson |
| 3 | South African Grand Prix (history) | Kyalami, Midrand | 4 Mar 1978 | Done | Ronnie Peterson | Niki Lauda |
| 4 | United States Grand Prix West (history) | Long Beach, California | 2 Apr 1978 | Done | Carlos Reutemann | Carlos Reutemann |
| 5 | Monaco Grand Prix (history) | Circuit de Monaco, Monte-Carlo | 7 May 1978 | Done | Patrick Depailler | Carlos Reutemann |
| 6 | Belgian Grand Prix (history) | Zolder, Heusden-Zolder | 21 May 1978 | Done | Mario Andretti | Mario Andretti |
| 7 | Spanish Grand Prix (history) | Circuito del Jarama, Madrid | 4 Jun 1978 | Done | Mario Andretti | Mario Andretti |
| 8 | Swedish Grand Prix (history) | Scandinavian Raceway, Anderstorp | 17 Jun 1978 | Done | Niki Lauda | Mario Andretti |
| 9 | French Grand Prix (history) | Circuit Paul Ricard, Le Castellet | 2 Jul 1978 | Done | Mario Andretti | John Watson |
| 10 | British Grand Prix (history) | Brands Hatch, Kent | 16 Jul 1978 | Done | Carlos Reutemann | Ronnie Peterson |
| 11 | German Grand Prix (history) | Hockenheimring, Hockenheim | 30 Jul 1978 | Done | Mario Andretti | Mario Andretti |
| 12 | Austrian Grand Prix (history) | Red Bull Ring, Spielberg | 13 Aug 1978 | Done | Ronnie Peterson | Ronnie Peterson |
| 13 | Dutch Grand Prix (history) | Circuit Park Zandvoort, Zandvoort | 27 Aug 1978 | Done | Mario Andretti | Mario Andretti |
| 14 | Italian Grand Prix (history) | Autodromo Nazionale di Monza, Monza | 10 Sep 1978 | Done | Niki Lauda | Mario Andretti |
| 15 | United States Grand Prix (history) | Watkins Glen, New York State | 1 Oct 1978 | Done | Carlos Reutemann | Mario Andretti |
| 16 | Canadian Grand Prix (history) | Circuit Gilles Villeneuve, Montreal | 8 Oct 1978 | Done | Gilles Villeneuve | Jean-Pierre Jarier |