State Road 602 (NM 602) is a 30.727-mile-long (49.450 km) state highway in the US state of New Mexico.

NM 602's southern terminus is at NM 53 east of Black Rock, and the northern terminus is at Interstate 40 (I-40) and U.S. Route 491 (US 491) in Gallup.

The entire route is in McKinley County.

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