The following highways are numbered 415:
Canada Manitoba Provincial Road 415 New Brunswick Route 415 Newfoundland and Labrador Route 415
Costa Rica National Route 415
India National Highway 415 (India)
Japan Japan National Route 415
United States Interstate 415 (former) Florida: Florida State Road 415 County Road 415 (Volusia County, Florida) Florida State Road 415A (former) County Road 415 (Seminole County, Florida) Georgia State Route 415 (unsigned designation for Interstate 520) Iowa Highway 415 Louisiana Highway 415 Louisiana Highway 415 Spur Maryland Route 415 New York: New York State Route 415 County Route 415 (Steuben County, New York) (former) New York State 415 (former) Pennsylvania Route 415 Puerto Rico Highway 415 Virginia State Route 415