LOS ANGELES — In Southern California, where police pursuits are common, this was one for the books.

A suspect in an allegedly stolen minivan led authorities on a two-hour, 170-mile (274-kilometer) chase through four counties Monday that ended with her escaping into Mexico, officials said.

The driver was detained by U.S. Customs and Border Protection officers when she reentered the country the next day. The Ventura County Sheriff’s Office was due to take her into custody, and charges were pending.

It began around 11 a.m. when deputies responded to reports of a Toyota Sienna taken from outside a sober living home in Thousand Oaks, about 40 miles (64 kilometers) northwest of Los Angeles, according to the Ventura County Sheriff’s Office.

The deputies chased the vehicle at speeds reaching 9

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