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Distance from Gustine, TX to IAD Airport

Distance

1,456 mi

Time

1 day 2 hours

Gas Cost

$133 - $259

Helpful Inaccurate

There are 1,274.03 miles from Gustine to Washington Dulles International Airport (IAD) in northeast direction and 1,456 miles (2,343.20 kilometers) by car, following the I-40 route.

Gustine and IAD Airport are 1 day 2 hours far apart, if you drive non-stop .

This is the fastest route from Gustine, TX to IAD Airport. The halfway point is Sugar Tree, TN.

Please note the time difference between Gustine, TX and IAD Airport is 1 hour. The current time in Gustine is 8:22 pm and the current time in IAD Airport is 9:22 pm.

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Lowest Price Rental Cars in Gustine, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Gustine »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 58.45 gallons of gas to cover the route between Gustine, TX and IAD Airport.

The estimated cost of gas to go from Gustine to IAD Airport is $187.29.

During the route, an average car will release 1,145.25 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 Gustine, TX and IAD Airport

If you want to meet halfway between Gustine, 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 35.843102 and -88.003189, or 35º 50' 35.1672" N, 88º 0' 11.4804" W. This location is 727.76 miles away from Gustine, TX and IAD Airport and it would take approximately 13 hours 13 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sugar Tree, TN, situated 724 miles from Gustine, TX and 734 miles from IAD Airport. It would take 11 hours 54 mins to go from Gustine to Sugar Tree and 11 hours 15 mins to go from IAD to Sugar Tree.

Major Cities Along the Route

Some major cities along the route include Knoxville, TN,Nashville, TN,Memphis, TN,Little Rock, AR,Garland, TX,Mesquite, TX,Dallas, TX,Irving, TX,Grand Prairie, TX,Arlington, TX, and Fort Worth, TX.