The 200 Miles of Buenos Aires was a non-championship race sports car event held in Autódromo Oscar Alfredo Gálvez, Buenos Aires, Argentina. The race was held on January 18, 1970, after the 1000 km Buenos Aires race (11 January).
The race, which did not grant championship points, was won by Andrea De Adamich and Piers Courage driving an Alfa Romeo 33. 2nd and 3rd were a Porsche 908/02 and the works Matra MS630/650.
Official results
Class winners in bold. Cars failing to complete 70% of the winner's distance marked as Not Classified (NC).
| Position | Class | Number | Team | Drivers | Chassis | Engine | Laps |
|---|---|---|---|---|---|---|---|
| 1 | 6 |  Autodelta
|
 Piers Courage Andrea de Adamich
|
Alfa Romeo T33/3 | Alfa Romeo 3.0L V8 | ||
| 2 | 30 |  Sport Cars Brostrom
|
 Masten Gregory
|
Porsche 908/02 | Porsche 3.0L Flat-8 | ||
| 3 | 10 |  Equipe Matra-Simca
|
Jean-Pierre Beltoise Henri Pescarolo
|
Matra-Simca MS630/650 | Matra 3.0L V12 | ||
| 4 | 22 | Ulf Norinder
|
Jackie Oliver
|
Lola T70 Mk. IIIB | Chevrolet 4.9L V8 | ||
| 5 | 18 | Ecurie Bonnier
|
Jo Bonnier
|
Lola T70 Mk. IIIB | Chevrolet 4.9L V8 | ||
| 6 | 12 |  Alex Soler-Roig
|
 Carlos Reutemann Alex Soler-Roig
|
Porsche 908/02 | Porsche 3.0L Flat-8 | ||
| 7 | 34 | Swedish Racing Team
|
 Hans Laine Gijs van Lennep
|
Porsche 908/02 | Porsche 3.0L Flat-8 | ||
| 8 | 4 | Autodelta
|
Nanni Galli Rolf Stommelen
|
Alfa Romeo T33/3 | Alfa Romeo 3.0L V8 | ||
| 9 | 32 | Martini International Team
|
Andrea Vianini Gerhard Koch
|
Porsche 908/02 | Porsche 3.0L Flat-8 | ||
| 10 | 14 | Escuderia Montjuich
|
José Juncadella Juan Fernandez
|
Porsche 908/02 | Porsche 3.0L Flat-8 | ||
| 11 | 26 | David Piper Autoracing
|
Chris Craft
|
Lola T70 Mk. IIIB | Chevrolet 4.9L V8 | ||
| 12 | 26 | E.S.C.A. Zitro
|
 Dominique Martin Piers Forester
|
Ford GT40 | Ford4.9L V8 | ||
| 13 | 52 | David Prophet
|
David Prophet
|
Lola T70 Mk. IIIB | Chevrolet 4.9L V8 | ||
| DNF | 2 | Berta
|
Rubén Luis di Palma Carlos Marincovich
|
Berta LR Ford | Ford | ||
| DNF | 8 | Scuderia Serenissima
|
Jonathan Williams Maurizio Montagnari
|
Serenissima |