List of highways numbered 780

The following highways are numbered 780:

Australia

 * Western Port Highway

Canada

 * Saskatchewan Highway 780

United States

 * I-780_(CA).svg Interstate 780
 * Florida 780.svg Florida State Road 780
 * Nevada 780.svg Nevada State Route 780 (former)
 * OH-780 (1927).svg Ohio State Route 780 (former)
 * PA-780.svg Pennsylvania Route 780 (former)
 * PA-780.svg Pennsylvania Route 780 (current)
 * Ellipse sign 780.svg Puerto Rico Highway 780
 * Circle sign 780.svg Virginia State Route 780