Distance between cities › USA › Utah › SLC, UT › Distance from Salt Lake City International Airport to Washington Dulles International Airport Book Hotels

Distance from SLC Airport to IAD Airport

Distance

2,067 mi

Time

1 day 13 hours

Gas Cost

$193 - $375

Helpful Inaccurate

There are 1,823.23 miles from Salt Lake City International Airport (SLC) to Washington Dulles International Airport (IAD) in east direction and 2,067 miles (3,326.51 kilometers) by car, following the I-80 route.

SLC Airport and IAD Airport are 1 day 13 hours far apart, if you drive non-stop .

This is the fastest route from SLC Airport to IAD Airport. The halfway point is Menlo, IA.

Please note the time difference between SLC Airport and IAD Airport is 2 hours. The current time in SLC Airport is 9:58 am and the current time in IAD Airport is 11:58 am.

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Lowest Price Rental Cars in SLC Airport

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Salt Lake City International Airport »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 83 gallons of gas to cover the route between SLC Airport and IAD Airport.

The estimated cost of gas to go from SLC Airport to IAD Airport is $270.76.

During the route, an average car will release 1,626.23 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 SLC Airport and IAD Airport

If you want to meet halfway between SLC Airport 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 41.494568 and -94.408691, or 41º 29' 40.4448" N, 94º 24' 31.2876" W. This location is 1,033.41 miles away from SLC Airport and IAD Airport and it would take approximately 18 hours 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Menlo, IA, situated 1,030 miles from SLC Airport and 1,055 miles from IAD Airport. It would take 14 hours 14 mins to go from SLC to Menlo and 16 hours 21 mins to go from IAD to Menlo.