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Distance from Memphis, MO to IAD Airport

Distance

934 mi

Time

18 hours 31 mins

Gas Cost

$87 - $169

Helpful Inaccurate

There are 788.12 miles from Memphis to Washington Dulles International Airport (IAD) in east direction and 934 miles (1,503.13 kilometers) by car, following the I-74 and US-51 route.

Memphis and IAD Airport are 18 hours 31 mins far apart, if you drive non-stop .

This is the fastest route from Memphis, MO to IAD Airport. The halfway point is Lewisburg, OH.

Please note the time difference between Memphis, MO and IAD Airport is 1 hour. The current time in Memphis is 4:28 am and the current time in IAD Airport is 5:28 am.

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Lowest Price Rental Cars in Memphis, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Memphis »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 37.49 gallons of gas to cover the route between Memphis, MO and IAD Airport.

The estimated cost of gas to go from Memphis to IAD Airport is $122.30.

During the route, an average car will release 734.52 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Memphis, MO and IAD Airport

If you want to meet halfway between Memphis, MO 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 39.860241 and -84.582619, or 39º 51' 36.8676" N, 84º 34' 57.4284" W. This location is 466.76 miles away from Memphis, MO and IAD Airport and it would take approximately 9 hours 15 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lewisburg, OH, situated 477 miles from Memphis, MO and 496 miles from IAD Airport. It would take 7 hours 55 mins to go from Memphis to Lewisburg and 7 hours 47 mins to go from IAD to Lewisburg.

Major City Closest to Halfway Point

The major city closest to the halfway point between Memphis, MO and IAD Airport is Dayton, OH, situated 498 miles from Memphis, MO and 480 miles from IAD Airport. It would take 8 hours 19 mins to go from Memphis to and 7 hours 34 mins to go from IAD to Dayton.