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Distance from Addison, TX to IAD Airport

Distance

1,321 mi

Time

23 hours 44 mins

Gas Cost

$121 - $235

Helpful Inaccurate

There are 1,156.99 miles from Addison to Washington Dulles International Airport (IAD) in northeast direction and 1,321 miles (2,125.94 kilometers) by car, following the I-30 and US-67 route.

Addison and IAD Airport are 23 hours 44 mins far apart, if you drive non-stop .

This is the fastest route from Addison, TX to IAD Airport. The halfway point is Bellevue, TN.

Please note the time difference between Addison, TX and IAD Airport is 1 hour. The current time in Addison is 2:14 pm and the current time in IAD Airport is 3:14 pm.

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Lowest Price Rental Cars in Addison, TX

Planning on renting a car to go from Addison, TX to IAD Airport? Here there are some offers to rent a car in Addison, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Addison »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 53.06 gallons of gas to cover the route between Addison, TX and IAD Airport.

The estimated cost of gas to go from Addison to IAD Airport is $170.02.

During the route, an average car will release 1,039.63 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Addison, TX and IAD Airport

If you want to meet halfway between Addison, TX and IAD Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.121960 and -86.952164, or 36º 7' 19.056" N, 86º 57' 7.7904" W. This location is 660.64 miles away from Addison, TX and IAD Airport and it would take approximately 11 hours 52 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Bellevue, TN, situated 656 miles from Addison, TX and 669 miles from IAD Airport. It would take 10 hours 21 mins to go from Addison to Bellevue and 10 hours 19 mins to go from IAD to Bellevue.

Major City Closest to Halfway Point

The major city closest to the halfway point between Addison, TX and IAD Airport is Nashville, TN, situated 668 miles from Addison, TX and 655 miles from IAD Airport. It would take 10 hours 31 mins to go from Addison to and 10 hours 1 min to go from IAD to Nashville.

Major Cities Along the Route

Some other major cities along the route include Knoxville, TN,Memphis, TN,Little Rock, AR,Mesquite, TX,Garland, TX,Richardson, TX, and Carrollton, TX.