List of highways numbered 339
The following highways are numbered 339:
Canada
India
Ireland
Japan
United Kingdom
United States
- Georgia [State Route 339]
- Louisiana Highway 339
- Nevada State Route 339
- New York:
- * New York State Route 339
- ** New York State Route 339
- * County Route 339 (Saratoga County, New York)
- Ohio State Route 339
- Oregon Route 339
- Pennsylvania Route 339
- Texas [State Highway 339]
- Virginia State Route 339
- Washington State Route 339
- Wyoming Highway 339