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Distance from Leonard, TX to IAD Airport

Distance

1,286 mi

Time

23 hours 13 mins

Gas Cost

$118 - $229

Helpful Inaccurate

There are 1,114.10 miles from Leonard to Washington Dulles International Airport (IAD) in northeast direction and 1,286 miles (2,069.62 kilometers) by car, following the I-40 route.

Leonard and IAD Airport are 23 hours 13 mins far apart, if you drive non-stop .

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

Please note the time difference between Leonard, TX and IAD Airport is 1 hour. The current time in Leonard is 10:00 pm and the current time in IAD Airport is 11:00 pm.

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Lowest Price Rental Cars in Leonard, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Leonard »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 51.64 gallons of gas to cover the route between Leonard, TX and IAD Airport.

The estimated cost of gas to go from Leonard to IAD Airport is $165.44.

During the route, an average car will release 1,011.65 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 Leonard, TX and IAD Airport

If you want to meet halfway between Leonard, 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 36.173153 and -86.676033, or 36º 10' 23.3508" N, 86º 40' 33.7188" W. This location is 642.87 miles away from Leonard, TX and IAD Airport and it would take approximately 11 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hermitage, TN, situated 646 miles from Leonard, TX and 646 miles from IAD Airport. It would take 10 hours 19 mins to go from Leonard to Hermitage and 9 hours 52 mins to go from IAD to Hermitage.

Major City Closest to Halfway Point

The major city closest to the halfway point between Leonard, TX and IAD Airport is Nashville, TN, situated 632 miles from Leonard, TX and 655 miles from IAD Airport. It would take 10 hours 4 mins to go from Leonard to and 10 hours 1 min to go from IAD to Nashville.