Long Beach · 2 April 1978
Carlos Reutemann won the 1978 United States Grand Prix West for Ferrari from 1st on the grid, 11.061s ahead of Mario Andretti. Clay Regazzoni gained the most places, from 20th on the grid to 10th.
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | Ferrari Reutemann 9 + Villeneuve 0 | Reutemann 9 + Villeneuve 0 | 9 | |
| 2 | Team Lotus Andretti 6 + Peterson 3 | Andretti 6 + Peterson 3 | 9 | |
| 3 | Tyrrell Depailler 4 + Pironi 0 | Depailler 4 + Pironi 0 | 4 | |
| 4 | Ligier Laffite 2 | Laffite 2 | 2 | |
| 5 | Arrows Patrese 1 + Stommelen 0 | Patrese 1 + Stommelen 0 | 1 | |
| 6 | Williams Jones 0 | Jones 0 | 0 | |
| 7 | Fittipaldi Fittipaldi 0 | Fittipaldi 0 | 0 | |
| 8 | Shadow Regazzoni 0 + Stuck 0 | Regazzoni 0 + Stuck 0 | 0 | |
| 9 | ATS Jarier 0 + Mass 0 | Jarier 0 + Mass 0 | 0 | |
| 10 | McLaren Tambay 0 + Hunt 0 | Tambay 0 + Hunt 0 | 0 | |
| 11 | Wolf Scheckter 0 | Scheckter 0 | 0 | |
| 12 | Surtees Brambilla 0 + Keegan 0 | Brambilla 0 + Keegan 0 | 0 | |
| 13 | Renault Jabouille 0 | Jabouille 0 | 0 | |
| 14 | Brabham Lauda 0 + Watson 0 | Lauda 0 + Watson 0 | 0 | |
| 15 | Merzario Merzario 0 | Merzario 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Carlos Reutemann Ferrari | Ferrari | 1:52:01.301 | 80 | — | 9 | |
| 2 | Mario Andretti Team Lotus | Team Lotus | +11.061s | 80 | — | 6 | |
| 3 | Patrick Depailler Tyrrell | Tyrrell | +28.951s | 80 | — | 4 | |
| 4 | Ronnie Peterson Team Lotus | Team Lotus | +45.603s | 80 | — | 3 | |
| 5 | Jacques Laffite Ligier | Ligier | +1:22.884 | 80 | — | 2 | |
| 6 | Riccardo Patrese Arrows | Arrows | +1 Lap | 79 | — | 1 | |
| 7 | Alan Jones Williams | Williams | +1 Lap | 79 | — | — | |
| 8 | Emerson Fittipaldi Fittipaldi | Fittipaldi | +1 Lap | 79 | — | — | |
| 9 | Rolf Stommelen Arrows | Arrows | +1 Lap | 79 | — | — | |
| 10 | Clay Regazzoni Shadow | Shadow | +1 Lap | 79 | — | — | |
| 11 | Jean-Pierre Jarier ATS | ATS | +5 Laps | 75 | — | — | |
| 12 | Patrick Tambay McLaren | McLaren | DNF Accident | 74 | — | — | |
| DNF | Jody Scheckter Wolf | Wolf | DNF Accident | 59 | — | — | |
| DNF | Vittorio Brambilla Surtees | Surtees | DNF Transmission | 50 | — | — | |
| DNF | Jean-Pierre Jabouille Renault | Renault | DNF Turbo | 43 | — | — | |
| DNF | Gilles Villeneuve Ferrari | Ferrari | DNF Accident | 38 | — | — | |
| DNF | Niki Lauda Brabham | Brabham | DNF Ignition | 27 | — | — | |
| DNF | Didier Pironi Tyrrell | Tyrrell | DNF Gearbox | 25 | — | — | |
| DNF | Arturo Merzario Merzario | Merzario | DNF Gearbox | 17 | — | — | |
| DNF | Jochen Mass ATS | ATS | DNF Brakes | 11 | — | — | |
| DNF | John Watson Brabham | Brabham | DNF Gearbox | 9 | — | — | |
| DNF | James Hunt McLaren | McLaren | DNF Accident | 5 | — | — | |
| DNS | Rupert Keegan Surtees | Surtees | DNS Accident | 0 | — | — | |
| DNS | Hans-Joachim Stuck Shadow | Shadow | DNS Accident | 0 | — | — |