List of highways numbered 414
The following highways are numbered 414:
Canada
- Newfoundland and [Labrador Route 414]
Costa Rica
Japan
United States
- Florida [State Road 414]
- Georgia [State Route 414] (unsigned designation for 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