| 1st | 1 | Jean-Pierre Beltoise / Jean-Pierre Jarier | Matra-Simca MS670C | Equipe Gitanes | 1:40.1700 |
| 2nd | 2 | Gérard Larrousse / Henri Pescarolo | Matra-Simca MS670C | Equipe Gitanes | 1:40.9100 |
| 3rd | 3 | Arturo Merzario / Jacky Ickx | Alfa Romeo T33/TT/12 | Autodelta SpA | 1:41.3100 |
| 4th | 4 | Rolf Stommelen / Carlos Reutemann | Alfa Romeo T33/TT/12 | Autodelta SpA | 1:41.5400 |
| 5th | 5 | Andrea de Adamich / Carlo Facetti | Alfa Romeo T33/TT/12 | Autodelta SpA | 1:44.1900 |
| 6th | 6 | Gijs van Lennep / Herbert Müller | Porsche Carrera RSR Turbo | Martini Racing Team | 1:47.6800 |
| 7th | 40 | Manfred Mohr / Martino Finotto | AMS 274 Ford | Jolly Club | 1:47.9600 |
| 8th | 8 | Reinhold Jöst / Mario Casoni | Porsche 908/03 | Joest Racing | 1:48.9000 |
| 9th | 34 | Nanni Galli / Alberto Rosselli | Abarth-Osella PA2 | Alberto Rosselli | 1:49.1500 |
| 10th | 43 | Cosimo Turizio / Ciro Nappi / Mario Radicella | Lola T294 Ford | Scuderia Vesuvio | 1:49.1700 |
| 11th | 32 | Jean-Louis Lafosse / Derek Bell | Abarth-Osella PA2 | Abarth-Osella | 1:49.4500 |
| 12th | 12 | François Migault / Jean-Pierre Jaussaud | Ligier JS2 Maserati | Automobiles Ligier | 1:50.5700 |
| 13th | 11 | Corrado Manfredini / Giancarlo Gagliardi | Lola T282 Ford | Scuderia Brescia Corse | 1:52.1000 |
| 14th | 35 | Mauro Nesti / Giovanni Morelli | Lola T294 BMW | Scuderia S. Michele | 1:52.1200 |
| 15th | 38 | Stefano Buonapace / Renzo Zorzi | GRD S73 Ford | Monzeglio | 1:52.4000 |
| 16th | 33 | Christian Melville / "Gianfranco" | Abarth-Osella PA2 | Abarth-Osella | 1:53.3300 |
| 17th | 37 | Francesco Cerulli-Irelli / Luciano Verrocchio | AMS 274 Ford | AMS Corse | 1:54.7100 |
| 18th | 67 | Roby Filannino / Achille Marzi | Dallara 1600 Ford | Roberto Filannino | 1:55.7300 |
| 19th | 9 | Paul Blancpain / Knut-Holger Lehmann / Reinhold Jöst | Porsche 908/03 | Joest Racing | 1:55.9600 |
| 20th | 36 | "Tatog" / Achille Voltolina / Umberto Grano | March 74S BMW | Achille Voltolina | 1:56.2400 |
| 21st | 148 | John Fitzpatrick / Georg Loos | Porsche 911 Carrera RSR 3.0 | Gelo Racing | 1:56.5300 |
| 22nd | 87 | Claudio Francisci / Eris Tondelli | Chevron B26 Ford | Eris Tondelli | 1:56.7700 |
| 23rd | 7 | Manfred Schurti / Helmuth Koinigg | Porsche 911 Carrera RSR Turbo | Martini Racing Team | 1:56.9000 |
| 24th | 149 | Vic Elford / Jürgen Barth / John Fitzpatrick | Porsche 911 Carrera RSR | Gelo Racing | 1:57.0600 |
| 25th | 152 | Hans Heyer / Paul Keller | Porsche 911 Carrera RSR 3.0 | Samson Kremer Team | 1:57.2500 |
| 26th | 41 | "PAM" / Franco Berruto | Lola T292 Ford | Scuderia Brescia Corse | 1:57.5100 |
| 27th | 151 | Bob Wollek / Jean-Marc Seguin | Porsche 911 Carrera RSR 3.0 | Jean-Marc Seguin | 1:57.7800 |
| 28th | 153 | Clemens Schickentanz / Willi Deutsch | Porsche 911 Carrera RSR 3.0 | Samson Kremer Team | 1:58.1600 |
| 29th | 144 | Giorgio Schön / Giovanni Borri | Porsche Carrera RSR | Jolly Club | 1:58.2100 |
| 30th | 143 | Ennio Bonomelli / Claude Ballot-Léna | Porsche 911 Carrera RSR 3.0 | Ennio Bonomelli | 1:58.5000 |
| 31st | 141 | Claude Haldi / Niki Bosch | Porsche 911 Carrera RSR 3.0 | Porsche Club Romand | 1:58.5100 |
| 32nd | 68 | Carlo Bilotti / Pasquale Barberio | Abarth-Osella PA2 | Torino Corse | 2:01.1600 |
| 33rd | 142 | Mario Ilotte / Peter Zbinden | Porsche 911 Carrera RSR 3.0 | Porsche Club Romand | 2:01.6000 |
| 34th | 45 | Guido Fossati / Angelo Mola | Lola T290 Abarth | Guido Fossati | 2:02.5900 |
| 35th | 145 | "Tambauto" / "PAM" | Porsche Carrera RS | Scuderia Brescia Corse | 2:03.6100 |
| 36th | 90 | "Bramen" / Cesare Garrone | AMS 274 Ford | "Bramen" | 2:03.6600 |
| 37th | 89 | Luigi Moreschi / Giuseppe Ranzolin | Chevron B23 Ford | Luigi Moreschi | 2:03.7400 |
| 38th | 122 | Marcello Gallo / Ugo Locatelli | De Tomaso Pantera | Blue | 2:04.1300 |