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Distance from Dover, DE to IAD Airport

Distance

124 mi

Time

2 hours 49 mins

Gas Cost

$12 - $22

Helpful Inaccurate

There are 104.63 miles from Dover to Washington Dulles International Airport (IAD) in west direction and 124 miles (199.56 kilometers) by car, following the US-301 route.

Dover and IAD Airport are 2 hours 49 mins far apart, if you drive non-stop .

This is the fastest route from Dover, DE to IAD Airport. The halfway point is Annapolis, MD.

Dover, DE and IAD Airport are in the same time zone (EDT). Current time in both locations is 4:43 pm.

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Lowest Price Rental Cars in Dover, DE

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dover »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 4.98 gallons of gas to cover the route between Dover, DE and IAD Airport.

The estimated cost of gas to go from Dover to IAD Airport is $16.23.

During the route, an average car will release 97.50 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 Dover, DE and IAD Airport

If you want to meet halfway between Dover, DE 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 39.000111 and -76.510109, or 39º 0' 0.3996" N, 76º 30' 36.3924" W. This location is 61.96 miles away from Dover, DE and IAD Airport and it would take approximately 1 hour 24 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Annapolis, MD, situated 65 miles from Dover, DE and 65 miles from IAD Airport. It would take 1 hour 31 mins to go from Dover to Annapolis and 1 hour 22 mins to go from IAD to Annapolis.