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Distance from Lake Spring, MO to IAD Airport

Distance

911 mi

Time

17 hours 46 mins

Gas Cost

$85 - $165

Helpful Inaccurate

There are 773.89 miles from Lake Spring to Washington Dulles International Airport (IAD) in east direction and 911 miles (1,466.11 kilometers) by car, following the I-70 route.

Lake Spring and IAD Airport are 17 hours 46 mins far apart, if you drive non-stop .

This is the fastest route from Lake Spring, MO to IAD Airport. The halfway point is Clayton, OH.

Please note the time difference between Lake Spring, MO and IAD Airport is 1 hour. The current time in Lake Spring is 10:06 am and the current time in IAD Airport is 11:06 am.

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Lowest Price Rental Cars in Lake Spring, MO

Planning on renting a car to go from Lake Spring, MO to IAD Airport? Here there are some offers to rent a car in Lake Spring, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Lake Spring »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 36.61 gallons of gas to cover the route between Lake Spring, MO and IAD Airport.

The estimated cost of gas to go from Lake Spring to IAD Airport is $119.41.

During the route, an average car will release 717.19 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 Lake Spring, MO and IAD Airport

If you want to meet halfway between Lake Spring, MO 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 39.856853 and -84.332764, or 39º 51' 24.6708" N, 84º 19' 57.9504" W. This location is 455.75 miles away from Lake Spring, MO and IAD Airport and it would take approximately 8 hours 53 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Clayton, OH, situated 460 miles from Lake Spring, MO and 487 miles from IAD Airport. It would take 7 hours 8 mins to go from Lake Spring to Clayton and 7 hours 40 mins to go from IAD to Clayton.

Major City Closest to Halfway Point

The major city closest to the halfway point between Lake Spring, MO and IAD Airport is Dayton, OH, situated 472 miles from Lake Spring, MO and 480 miles from IAD Airport. It would take 7 hours 22 mins to go from Lake Spring to and 7 hours 34 mins to go from IAD to Dayton.