List of highways numbered 414
The following highways are numbered 414:
Canada
Costa Rica
Japan
United States
- Florida [State Road 414]
- Georgia [State Route 414] (unsigned designation for Interstate [420 (Georgia)|former proposed Interstate 420]
- Louisiana Highway 414
- Maryland Route 414
- New York State Route 414
- Oregon Route 414
- Pennsylvania Route 414
- Puerto Rico Highway 414
- South Carolina Highway 414
- Wyoming Highway 414