1. Canada

2. China

3. Japan

4. United States

The following highways are numbered 324:

Canada

• Nova Scotia Route 324
• Saskatchewan Highway 324

China

• China National Highway 324

Japan

• Japan National Route 324

United States

• Arkansas Highway 324
• Georgia State Route 324
• Louisiana Highway 324
• Maryland Route 324 (unsigned)
• Minnesota State Highway 324 (former)
• New Jersey Route 324
• New York:
  • New York State Route 324
  • County Route 324 (Erie County, New York)
• Ohio State Route 324
• Pennsylvania Route 324
• South Carolina Highway 324
• South Dakota Highway 324
• Texas State Highway 324 (former)
• Virginia State Route 324
  • Virginia State Route 324 (former)
• Montana Highway 324

• Archeparchy of Diyarbakir
• Archeparchy of Erbil
• Archeparchy of Jerusalem of the Melkites
• Archeparchy of Kottayam
• Archeparchy of Kyiv–Halych
• Archeparchy of Ohrid
• Archeparchy of Pittsburgh
• Archeparchy of Thrissur
• Archeparchy of Tiruvalla
• Archeparchy of Winnipeg
• Archephanes zalosema
• Archepsila
• Archer
• Archer, Alachua County, FL
• Archer, Alachua County, Florida
• Archer, Andrew
• Archer & Armstrong (film)
• Archer Avenue (Chicago)
• Archer Avenue Line
• Archer (Batman 1966)
• Archer Butler Hulbert
• Archer (character class)
• Archer City Formation
• Archer class
• Archer-class