Arizona-Mexico Border Length

How long is the Arizona-Mexico border? It depends on the source. Here are three possible answers.

The length of the Arizona-Mexico border is 378 miles.*

The length of the Arizona-Mexico border is 370 miles.**

The length of the Arizona-Mexico border is approximately 372.5 miles.***


"It's just going to get worse." Tucson Citizen. June 29, 2007. Page 1.

"U.S. sues to survey borderland for fence." Arizona Daily Star. January 17, 2008. Page

*"Nearly 1,700 bodies, each on a mystery" Arizona Daily Star. Special Report: Decade of Death.  August, 22, 2010.  Pages 1-6.

**Telephone call by PCPL staff on May 22, 2003 to the Office of National Drug Control Policy.

**The Tohono O'odham reservation has 75 miles of international border.  There are three Indian nations that lie along the Arizona-Mexico border: Tohono O'odham (near Tucson); Cocopah (near Yuma); and the Kickapoo Traditional tribe of Texas (near Eagle Pass).

***World Atlas: 

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