The following highways are numbered 390:

Canada

• New Brunswick Route 390
• Newfoundland and Labrador Route 390
• Quebec Route 390

Japan

• Japan National Route 390

United States

• Interstate 390
• Arkansas Highway 390
• Florida State Road 390
• Illinois Route 390
• Kentucky Route 390
• Louisiana Highway 390
• Maryland Route 390
• New York:
  • New York State Route 390
    • New York State Route 390A
  • County Route 390 (Erie County, New York)
• Pennsylvania Route 390
• Puerto Rico Highway 390
• South Carolina Highway 390
• Tennessee State Route 390
• Farm to Market Road 390
• Virginia State Route 390
• Wyoming Highway 390