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Distance from Silver City, SD to IAD Airport

Distance

1,609 mi

Time

1 day 5 hours

Gas Cost

$147 - $286

Helpful Inaccurate

There are 1,389.89 miles from Silver City to Washington Dulles International Airport (IAD) in southeast direction and 1,609 miles (2,589.43 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

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

This is the fastest route from Silver City, SD to IAD Airport. The halfway point is Portage, WI.

Please note the time difference between Silver City, SD and IAD Airport is 2 hours. The current time in Silver City is 9:33 pm and the current time in IAD Airport is 11:33 pm.

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Lowest Price Rental Cars in Silver City, SD

Planning on renting a car to go from Silver City, SD to IAD Airport? Here there are some offers to rent a car in Silver City, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Silver City »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 64.62 gallons of gas to cover the route between Silver City, SD and IAD Airport.

The estimated cost of gas to go from Silver City to IAD Airport is $207.05.

During the route, an average car will release 1,266.08 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 Silver City, SD and IAD Airport

If you want to meet halfway between Silver City, SD 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 43.458389 and -89.471199, or 43º 27' 30.2004" N, 89º 28' 16.3164" W. This location is 804.55 miles away from Silver City, SD and IAD Airport and it would take approximately 14 hours 45 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Portage, WI, situated 764 miles from Silver City, SD and 870 miles from IAD Airport. It would take 10 hours 54 mins to go from Silver City to Portage and 13 hours 29 mins to go from IAD to Portage.

Major City Closest to Halfway Point

The major city closest to the halfway point between Silver City, SD and IAD Airport is Madison, WI, situated 796 miles from Silver City, SD and 839 miles from IAD Airport. It would take 11 hours 27 mins to go from Silver City to and 13 hours 6 mins to go from IAD to Madison.