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

Distance from Herreid, SD to IAD Airport

Distance

1,477 mi

Time

1 day 4 hours

Gas Cost

$138 - $268

Helpful Inaccurate

There are 1,242.56 miles from Herreid to Washington Dulles International Airport (IAD) in southeast direction and 1,477 miles (2,377.00 kilometers) by car, following the I-94 route.

Herreid and IAD Airport are 1 day 4 hours far apart, if you drive non-stop .

This is the fastest route from Herreid, SD to IAD Airport. The halfway point is Janesville, WI.

Please note the time difference between Herreid, SD and IAD Airport is 1 hour. The current time in Herreid is 1:20 pm and the current time in IAD Airport is 2:20 pm.

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Lowest Price Rental Cars in Herreid, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Herreid »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 59.32 gallons of gas to cover the route between Herreid, SD and IAD Airport.

The estimated cost of gas to go from Herreid to IAD Airport is $193.51.

During the route, an average car will release 1,162.23 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 Herreid, SD and IAD Airport

If you want to meet halfway between Herreid, 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 42.693577 and -88.996674, or 42º 41' 36.8772" N, 88º 59' 48.0264" W. This location is 738.56 miles away from Herreid, SD and IAD Airport and it would take approximately 14 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Janesville, WI, situated 762 miles from Herreid, SD and 799 miles from IAD Airport. It would take 11 hours 58 mins to go from Herreid to Janesville and 12 hours 15 mins to go from IAD to Janesville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Herreid, SD and IAD Airport is Rockford, IL, situated 796 miles from Herreid, SD and 777 miles from IAD Airport. It would take 12 hours 30 mins to go from Herreid to and 11 hours 58 mins to go from IAD to Rockford.