Where was It's a Mad, Mad, Mad, Mad World filmed?

Filming locations

• Towns & cities Long Beach United States City in Los Angeles County, California, United States
• Towns & cities Santa Monica United States Beachfront city in Los Angeles County, California, United States

  “The comedy It's a Mad, Mad, Mad, Mad World (1963) included several scenes shot in Santa Monica, including those along the California Incline, which led to the movie's treasure spot, "The Big W".” Wikipedia

• Towns & cities Malibu United States City in Los Angeles County, California, United States
• Towns & cities San Diego United States Seat of San Diego County, California, United States; second-largest city in California
• Towns & cities Santa Rosa United States City in and county seat of Sonoma County, California, United States

  “In another scene, Tallman flew the plane through an airplane hangar at the Sonoma County Airport in Santa Rosa.” Wikipedia

Also per Wikipedia's article

The Wikipedia article names 6 more places. Each links to the sentence that says so.

Places whose own article says it was shot there

3 places say on their own Wikipedia pages that this film was shot there. Not on the map: each quote is linked so you can check it.

• Towns & cities Santa Rosa United States City in and county seat of Sonoma County, California, United States

  “It's a Mad, Mad, Mad, Mad World (1963) – the sequence involving the plane flying full bore, at about 150 knots, through an airplane hangar in less than a second, was shot at the Sonoma County Airport, just north of Santa Rosa.” Wikipedia

• Towns & cities Sonoma County United States County in California, United States

  “1963 It's a Mad, Mad, Mad, Mad World – Sequence involving the plane flying full bore, at about 150 knots, through an airplane hangar in less than a second, was shot at the Charles M. Schulz Sonoma County Airport.” Wikipedia

• Landscapes & nature Coachella Valley United States Valley in southern California, United States

  “Another famous movie filmed in the Coachella Valley (as well as Yucca Valley and Twentynine Palms, to the north) is It's a Mad, Mad, Mad, Mad World.” Wikipedia

Also shot in these places