Distance between cities › USA › South Dakota › Keyapaha, SD › Distance from Keyapaha to Washington Dulles International Airport Book Hotels

Distance from Keyapaha, SD to IAD Airport

Distance

1,412 mi

Time

1 day 3 hours

Gas Cost

$132 - $256

Helpful Inaccurate

There are 1,212.47 miles from Keyapaha to Washington Dulles International Airport (IAD) in southeast direction and 1,412 miles (2,272.39 kilometers) by car, following the I-80 route.

Keyapaha and IAD Airport are 1 day 3 hours far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to IAD Airport. The halfway point is Cherry Valley, IL.

Please note the time difference between Keyapaha, SD and IAD Airport is 1 hour. The current time in Keyapaha is 9:40 am and the current time in IAD Airport is 10:40 am.

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Lowest Price Rental Cars in Keyapaha, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Keyapaha »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 56.70 gallons of gas to cover the route between Keyapaha, SD and IAD Airport.

The estimated cost of gas to go from Keyapaha to IAD Airport is $184.96.

During the route, an average car will release 1,110.89 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 Keyapaha, SD and IAD Airport

If you want to meet halfway between Keyapaha, 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 42.242165 and -88.930992, or 42º 14' 31.794" N, 88º 55' 51.5712" W. This location is 705.93 miles away from Keyapaha, SD and IAD Airport and it would take approximately 13 hours 46 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cherry Valley, IL, situated 727 miles from Keyapaha, SD and 769 miles from IAD Airport. It would take 11 hours 14 mins to go from Keyapaha to Cherry Valley and 12 hours 14 mins to go from IAD to Cherry Valley.

Major City Closest to Halfway Point

The major city closest to the halfway point between Keyapaha, SD and IAD Airport is Rockford, IL, situated 729 miles from Keyapaha, SD and 779 miles from IAD Airport. It would take 11 hours 20 mins to go from Keyapaha to and 12 hours 26 mins to go from IAD to Rockford.