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Distance from Miles, TX to IAD Airport

Distance

1,566 mi

Time

1 day 4 hours

Gas Cost

$143 - $279

Helpful Inaccurate

There are 1,374.26 miles from Miles to Washington Dulles International Airport (IAD) in northeast direction and 1,566 miles (2,520.23 kilometers) by car, following the I-40 route.

Miles and IAD Airport are 1 day 4 hours far apart, if you drive non-stop .

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

Please note the time difference between Miles, TX and IAD Airport is 1 hour. The current time in Miles is 11:36 pm (Mar 11) and the current time in IAD Airport is 12:36 am (Mar 12).

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Lowest Price Rental Cars in Miles, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Miles »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 62.88 gallons of gas to cover the route between Miles, TX and IAD Airport.

The estimated cost of gas to go from Miles to IAD Airport is $201.48.

During the route, an average car will release 1,232 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 Miles, TX and IAD Airport

If you want to meet halfway between Miles, 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 35.681759 and -88.758652, or 35º 40' 54.3324" N, 88º 45' 31.1472" W. This location is 782.89 miles away from Miles, TX and IAD Airport and it would take approximately 14 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Oakfield, TN, situated 773 miles from Miles, TX and 785 miles from IAD Airport. It would take 12 hours 51 mins to go from Miles to Oakfield and 12 hours 3 mins to go from IAD to Oakfield.

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.