| Runda | Tor | Data | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|
| 1 |  Pau Grand Prix Pau | 1938.04.10 | Delahaye 145 |  Ecurie Bleue | |
| 2 |  Brooklands Campbell Trophy | 1938.04.18 | ERA C | Prince Chula | |
| 3 |  Carrigrohane Grand Prix Cork | 1938.04.23 | Delahaye 145 | Ecurie Bleue | |
| 4 |  Mellaha Grand Prix Trypolisu | 1938.05.15 | Mercedes-Benz W154/38 |  Daimler-Benz AG | |
| 5 |  Gávea Gávea Nacional Circuit | 1938.05.29 | Alfa Romeo | Arthur Nascimento Jr | |
| 6 |  Chimay Grand Prix Frontières | 1938.06.05 | Bugatti T51 | Maurice Trintignant | |
| 7 | Gávea Grand Prix Rio de Janerio | 1938.06.12 | Alfa Romeo 308 | Alfa Corse | |
| 8 | Montenero Coppa Ciano | 1938.08.07 | Mercedes-Benz W154/38 | Daimler-Benz AG | |
| 9 | Pescara Coppa Acerbo | 1938.08.15 | Mercedes-Benz W154/38 | Daimler-Benz AG | |
| 10 | Brooklands Junior Car Club "200" | 1938.08.27 | ERA B | John Wakefield | |
| 11 | Brooklands Mountain Championship | 1938.10.15 | ERA D | Raymond Mays | |
| 12 | Donington Park Grand Prix Donnington | 1938.10.22 | Auto Union Type D | Auto Union AG |
