List of highways numbered 670

The following highways are numbered 670:

Philippines

 * N670 (Philippines).svg N670 highway (Philippines)

United States

 * Interstate 670 (Kansas–Missouri), a connector highway within Kansas City
 * Interstate 670 (Ohio), a spur highway connecting Columbus, Ohio, to Gahanna, Ohio
 * Interstate 670 (Ohio), a spur highway connecting Columbus, Ohio, to Gahanna, Ohio