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Distance from Conception, MO to IAD Airport

Distance

1,074 mi

Time

21 hours 9 mins

Gas Cost

$98 - $191

Helpful Inaccurate

There are 920.21 miles from Conception to Washington Dulles International Airport (IAD) in east direction and 1,074 miles (1,728.44 kilometers) by car, following the US-36 route.

Conception and IAD Airport are 21 hours 9 mins far apart, if you drive non-stop .

This is the fastest route from Conception, MO to IAD Airport. The halfway point is Elkhart, IN.

Please note the time difference between Conception, MO and IAD Airport is 1 hour. The current time in Conception is 5:17 pm and the current time in IAD Airport is 6:17 pm.

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Lowest Price Rental Cars in Conception, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Conception »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 43.15 gallons of gas to cover the route between Conception, MO and IAD Airport.

The estimated cost of gas to go from Conception to IAD Airport is $138.24.

During the route, an average car will release 845.31 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 Conception, MO and IAD Airport

If you want to meet halfway between Conception, 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 41.722546 and -86.008957, or 41º 43' 21.1656" N, 86º 0' 32.2452" W. This location is 537.17 miles away from Conception, MO and IAD Airport and it would take approximately 10 hours 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Elkhart, IN, situated 569 miles from Conception, MO and 591 miles from IAD Airport. It would take 9 hours 14 mins to go from Conception to Elkhart and 9 hours 12 mins to go from IAD to Elkhart.

Major City Closest to Halfway Point

The major city closest to the halfway point between Conception, MO and IAD Airport is South Bend, IN, situated 550 miles from Conception, MO and 605 miles from IAD Airport. It would take 8 hours 52 mins to go from Conception to and 9 hours 23 mins to go from IAD to South Bend.