1. Canada

2. China

3. India

4. Japan

5. United States

The following highways are numbered 313:

Canada

• Manitoba Provincial Road 313
• New Brunswick Route 313
• Prince Edward Island Route 313

China

• China National Highway 313

India

• National Highway 313 (India)

Japan

• Japan National Route 313

United States

• Arkansas Highway 313
• Connecticut Route 313
• County Road 313 (Gilchrist County, Florida)
• Georgia State Route 313
• Indiana State Road 313 (former)
• Kentucky Route 313
• Louisiana Highway 313
• Maryland Route 313
  • Maryland Route 313A
• Minnesota State Highway 313
• Mississippi Highway 313
• Montana Secondary Highway 313
• New Mexico State Road 313
• New York:
  • New York State Route 313
  • County Route 313 (Erie County, New York)
• Ohio State Route 313
• Pennsylvania Route 313
• Tennessee State Route 313
• Texas:
  • Texas State Highway 313 (former)
  • Farm to Market Road 313
• Utah State Route 313
• Vermont Route 313
• Virginia State Route 313
  • Virginia State Route 313 (former)
• Wyoming Highway 313

• U.S. Virgin Islands Highway 313

• Haploscopa
• Haplosindris
• Haplosindris leucotriangula
• Haplostachys
• Haplostachys haplostachya
• Haplostylis
• Haplosyllis spongicola
• Haplothismia
• Haplothismia exannulata
• Haplothrips
• Haplothrix
• Haplothyatira
• Haplothyatira transitans
• Haplothyatira unipunctata
• Haplotinea ditella
• Haplotinea insectella
• Haplotrachelus
• Haplotrinchus
• Haplotypa
• Haplotype estimation
• Haplotyping
• Haplovalva ametris
• Haploësthes
• Haploësthes fruticosa
• Haploësthes greggii