| Circuit, activate to sort | Location | Country, activate to sort | Grands Prix, activate to sort | Last GP, sorted descending. Activate to reverse. |
|---|---|---|---|---|
| Pescara Circuit | Pescara | Italy | 1 | 18 Aug 1957 |
| Circuit de Pedralbes | Barcelona | Spain | 2 | 24 Oct 1954 |
| Circuit Bremgarten | Bern | Switzerland | 5 | 22 Aug 1954 |