Distance between cities › USA › Missouri › Napton, MO › Distance from Napton to Washington Dulles International Airport Book Hotels

Distance from Napton, MO to IAD Airport

Distance

958 mi

Time

18 hours 51 mins

Gas Cost

$89 - $174

Helpful Inaccurate

There are 838.08 miles from Napton to Washington Dulles International Airport (IAD) in east direction and 958 miles (1,541.75 kilometers) by car, following the I-70 route.

Napton and IAD Airport are 18 hours 51 mins far apart, if you drive non-stop .

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

Please note the time difference between Napton, MO and IAD Airport is 1 hour. The current time in Napton is 3:54 am and the current time in IAD Airport is 4:54 am.

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Lowest Price Rental Cars in Napton, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Napton »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 38.47 gallons of gas to cover the route between Napton, MO and IAD Airport.

The estimated cost of gas to go from Napton to IAD Airport is $125.50.

During the route, an average car will release 753.77 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 Napton, MO and IAD Airport

If you want to meet halfway between Napton, 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 39.840515 and -84.860107, or 39º 50' 25.854" N, 84º 51' 36.3852" W. This location is 478.99 miles away from Napton, MO and IAD Airport and it would take approximately 9 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Richmond, IN, situated 480 miles from Napton, MO and 514 miles from IAD Airport. It would take 7 hours 36 mins to go from Napton to Richmond and 8 hours 3 mins to go from IAD to Richmond.