Distance between cities › USA › Texas › Longview, TX › Distance from Longview to Washington Dulles International Airport Book Hotels

Distance from Longview, TX to IAD Airport

Distance

1,228 mi

Time

22 hours 19 mins

Gas Cost

$112 - $219

Helpful Inaccurate

There are 1,064.73 miles from Longview to Washington Dulles International Airport (IAD) in northeast direction and 1,228 miles (1,976.27 kilometers) by car, following the I-40 route.

Longview and IAD Airport are 22 hours 19 mins far apart, if you drive non-stop .

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

Please note the time difference between Longview, TX and IAD Airport is 1 hour. The current time in Longview is 12:48 pm and the current time in IAD Airport is 1:48 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Longview, TX to IAD Airport:

Lowest Price Rental Cars in Longview, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Longview »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 49.32 gallons of gas to cover the route between Longview, TX and IAD Airport.

The estimated cost of gas to go from Longview to IAD Airport is $158.03.

During the route, an average car will release 966.33 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 Longview, TX and IAD Airport

If you want to meet halfway between Longview, 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 36.177483 and -86.184395, or 36º 10' 38.9388" N, 86º 11' 3.822" W. This location is 614.06 miles away from Longview, TX and IAD Airport and it would take approximately 11 hours 9 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Watertown, TN, situated 622 miles from Longview, TX and 625 miles from IAD Airport. It would take 9 hours 56 mins to go from Longview to Watertown and 9 hours 41 mins to go from IAD to Watertown.

Major City Closest to Halfway Point

The major city closest to the halfway point between Longview, TX and IAD Airport is Murfreesboro, TN, situated 607 miles from Longview, TX and 656 miles from IAD Airport. It would take 9 hours 32 mins to go from Longview to and 10 hours 4 mins to go from IAD to Murfreesboro.