Interstate 40

Number of Miles 2547

• California - 157 miles
• Arizona - 359.22 miles
• New Mexico - 368 miles
• Texas - 177 miles
• Oklahoma - 330 miles
• Arkansas - 284 miles
• Tennessee - 452 miles
• North Carolina - 420 miles

Major Cities Along the Route

• Flagstaff, Arizona
• Albuquerque, New Mexico
• Amarillo, Texas
• Oklahoma City, Oklahoma
• Little Rock, Arkansas
• Memphis, Tennessee
• Nashville, Tennessee
• Knoxville, Tennessee
• Winston-Salem, North Carolina
• Greensboro, North Carolina
• Durham, North Carolina
• Raleigh, North Carolina

Intersections with other Interstates

• Interstate 15 in Barstow, California
• Interstate 17 in Flagstaff, Arizona
• Interstate 25 in Albuquerque, New Mexico
• Interstate 27 in Amarillo, Texas
• Interstate 44 in Oklahoma City, Oklahoma
• Interstate 35 in Oklahoma City, Oklahoma
• Interstate 30 in Little Rock, Arkansas
• Interstate 55 in Memphis, Tennessee
• Interstate 24 in Nashville, Tennessee
• Interstate 65 in Nashville, Tennessee
• Interstate 75 near Pine Top, Tennessee[?]. They stay merged until Knoxville, Tennessee.
• Interstate 81 near Dandridge, Tennessee
• Interstate 26 in Asheville, North Carolina
• Interstate 77 in Statesville, North Carolina
• Interstate 73 in Greensboro, North Carolina
• Interstate 85 in Greensboro, North Carolina. They stay merged until Durham, North Carolina.
• Interstate 95 in Benson, North Carolina

Spur Routes

• Oklahoma City, Oklahoma - I-240
• Fort Smith, Arkansas - I-540
• Little Rock, Arkansas - I-440
• Memphis, Tennessee - I-240
• Nashville, Tennessee - I-440, I-840
• Farragut, Tennessee - I-140
• Knoxville, Tennessee - I-640
• Asheville, North Carolina - I-240
• Greensboro, North Carolina - I-840
• Raleigh, North Carolina - I-440, I-540
• Wilmington, North Carolina - I-140

Notes

• At each end of I-40 there is a sign giving the distance to the other end.
• The Government of California has submitted Highway 58 between Barstow, California and Bakersfield, California for I-40 extension potential.