Distance between cities › USA › Pennsylvania › Sweet Valley, PA › Distance from Sweet Valley to Washington Dulles International Airport Book Hotels

Distance from Sweet Valley, PA to IAD Airport

Distance

233 mi

Time

5 hours 23 mins

Gas Cost

$23 - $46

Helpful Inaccurate

There are 175.22 miles from Sweet Valley to Washington Dulles International Airport (IAD) in southwest direction and 233 miles (374.98 kilometers) by car, following the I-81 route.

Sweet Valley and IAD Airport are 5 hours 23 mins far apart, if you drive non-stop .

This is the fastest route from Sweet Valley, PA to IAD Airport. The halfway point is Penbrook, PA.

Sweet Valley, PA and IAD Airport are in the same time zone (EDT). Current time in both locations is 4:30 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Sweet Valley, PA to IAD Airport:

Lowest Price Rental Cars in Sweet Valley, PA

Planning on renting a car to go from Sweet Valley, PA to IAD Airport? Here there are some offers to rent a car in Sweet Valley, PA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Sweet Valley »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 9.34 gallons of gas to cover the route between Sweet Valley, PA and IAD Airport.

The estimated cost of gas to go from Sweet Valley to IAD Airport is $32.91.

During the route, an average car will release 182.95 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 $3.52 per gallon of regular gas. Price last updated on March 18, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Sweet Valley, PA and IAD Airport

If you want to meet halfway between Sweet Valley, PA 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 40.305138 and -76.832932, or 40º 18' 18.4968" N, 76º 49' 58.5552" W. This location is 116.26 miles away from Sweet Valley, PA and IAD Airport and it would take approximately 2 hours 41 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Penbrook, PA, situated 115 miles from Sweet Valley, PA and 117 miles from IAD Airport. It would take 2 hours 4 mins to go from Sweet Valley to Penbrook and 2 hours 22 mins to go from IAD to Penbrook.