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Distance from La Mesa, TX to IAD Airport

Distance

1,648 mi

Time

1 day 5 hours

Gas Cost

$151 - $293

Helpful Inaccurate

There are 1,432.40 miles from La Mesa to Washington Dulles International Airport (IAD) in northeast direction and 1,648 miles (2,652.20 kilometers) by car, following the I-20 route.

La Mesa and IAD Airport are 1 day 5 hours far apart, if you drive non-stop .

This is the fastest route from La Mesa, TX to IAD Airport. The halfway point is Braden, TN.

Please note the time difference between La Mesa, TX and IAD Airport is 1 hour. The current time in La Mesa is 1:01 pm and the current time in IAD Airport is 2:01 pm.

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Lowest Price Rental Cars in La Mesa, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in La Mesa »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 66.18 gallons of gas to cover the route between La Mesa, TX and IAD Airport.

The estimated cost of gas to go from La Mesa to IAD Airport is $212.04.

During the route, an average car will release 1,296.59 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 La Mesa, TX and IAD Airport

If you want to meet halfway between La Mesa, 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 35.357716 and -89.546432, or 35º 21' 27.7776" N, 89º 32' 47.1552" W. This location is 823.94 miles away from La Mesa, TX and IAD Airport and it would take approximately 14 hours 40 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Braden, TN, situated 824 miles from La Mesa, TX and 832 miles from IAD Airport. It would take 13 hours 39 mins to go from La Mesa to Braden and 12 hours 42 mins to go from IAD to Braden.

Major Cities Along the Route

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