1. Canada

2. China

3. India

4. Japan

5. United States

The following highways are numbered 305:

Canada

• Manitoba Provincial Road 305
• New Brunswick Route 305
• Nova Scotia Route 305
• Prince Edward Island Route 305
• Saskatchewan Highway 305

China

• China National Highway 305

India

Japan

• Japan National Route 305

United States

• Interstates
  • Interstate 305 (multiple unsigned routes)
  • Interstate 305 (cancelled proposal)
• Arkansas Highway 305
• Connecticut Route 305
• Florida State Road 305 (former)
• Georgia State Route 305
• Hawaii Route 305
• Iowa Highway 305 (former)
• Kentucky Route 305
• Maryland Route 305
• Mississippi Highway 305
• Montana Secondary Highway 305
• Nevada State Route 305
• New Mexico State Road 305
• New York State Route 305
  • New York State Route 305 (former)
• North Carolina Highway 305
• Ohio State Route 305
• Pennsylvania Route 305
• Tennessee State Route 305
• Texas:
  • Texas State Highway 305
  • Texas State Highway Loop 305
  • Farm to Market Road 305
• Utah State Route 305 (former)
• Virginia State Route 305
• Washington State Route 305
• West Virginia Route 305

• U.S. Virgin Islands Highway 305

• Asota suffusa
• Asota sulamangoliensis
• Asota sulawesiensis
• Asota talboti
• Asota ternatensis
• Asota tigrina
• Asota timorana
• Asota tortuosa
• Asota transiens
• Asota trinacria
• Asota versicolor
• Asota vitessoides
• Asota woodfordi
• ASO-test
• ASO test
• Asotin Junior Senior High School
• Asotin, Wa
• Asotra
• Asotsiatsiya Haydov Ukrayiny
• Asou, Ibaraki
• A Soul Experiment
• A Soul Haunted by Painting
• A Soul to Devils
• A Sound Garden
• A sound of thunder (film)