Detroit Grand Prix ended in 1988.
Detroit Grand Prix was created in 1982.
Detroit Indy Grand Prix was created in 1982.
Tripoli Grand Prix ended in 1940.
Prost Grand Prix ended in 2002.
Portland Grand Prix ended in 2006.
Taipei Grand Prix ended in 1992.
Grand Prix of Sonoma ended in 2008.
Stewart Grand Prix ended in 1999.
Malta Grand Prix ended in 2001.
Cologne Grand Prix ended in 1986.
Grand Prix Masters ended in 2007.
Grand Prix of Charlotte ended in 2000.