Distance between cities › USA › Florida › Alys Beach, FL › Distance from Alys Beach to Washington Dulles International Airport Book Hotels

Distance from Alys Beach, FL to IAD Airport

Distance

945 mi

Time

18 hours 36 mins

Gas Cost

$88 - $171

Helpful Inaccurate

There are 771.30 miles from Alys Beach to Washington Dulles International Airport (IAD) in northeast direction and 945 miles (1,520.83 kilometers) by car, following the I-85 route.

Alys Beach and IAD Airport are 18 hours 36 mins far apart, if you drive non-stop .

This is the fastest route from Alys Beach, FL to IAD Airport. The halfway point is Mayo, SC.

Please note the time difference between Alys Beach, FL and IAD Airport is 1 hour. The current time in Alys Beach is 12:45 am and the current time in IAD Airport is 1:45 am.

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Lowest Price Rental Cars in Alys Beach, FL

Planning on renting a car to go from Alys Beach, FL to IAD Airport? Here there are some offers to rent a car in Alys Beach, FL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Alys Beach »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 37.94 gallons of gas to cover the route between Alys Beach, FL and IAD Airport.

The estimated cost of gas to go from Alys Beach to IAD Airport is $123.76.

During the route, an average car will release 743.31 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 Alys Beach, FL and IAD Airport

If you want to meet halfway between Alys Beach, FL 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 35.066139 and -81.823242, or 35º 3' 58.1004" N, 81º 49' 23.6712" W. This location is 472.35 miles away from Alys Beach, FL and IAD Airport and it would take approximately 9 hours 18 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mayo, SC, situated 480 miles from Alys Beach, FL and 481 miles from IAD Airport. It would take 8 hours 14 mins to go from Alys Beach to Mayo and 7 hours 36 mins to go from IAD to Mayo.