Distance from Madison, TN to IAD Airport


652 mi


9 hours 53 mins

Gas Cost

$40 - $79

There are 539.62 miles from Madison to Washington Dulles International Airport (IAD) in northeast direction and 652 miles (1,049.29 kilometers) by car, following the I-81 N route.

Madison and IAD Airport are 9 hours 53 mins far apart, if you drive non-stop .

This is the fastest route from Madison, TN to IAD Airport. The halfway point is Chilhowie, VA.

Please note the time difference between Madison, TN and IAD Airport is 1 hour. The current time in Madison is 10:27 am and the current time in IAD Airport is 11:27 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Madison, TN to IAD Airport:

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 26.17 gallons of gas to cover the route between Madison, TN and IAD Airport.

The estimated cost of gas to go from Madison to IAD Airport is $56.78.

During the route, an average car will release 512.64 pounds of CO2 to the atmosphere. The carbon footprint would be 0.79 pounds of CO2 per mile.

Best Hotels In or Near IAD Airport

Do you have where to stay when you arrive to IAD Airport? Check out our hotel recommendations:

Halfway Point Between Madison, TN and IAD Airport

If you want to meet halfway between Madison, TN 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 36.788647 and -81.687492, or 36º 47' 19.1292" N, 81º 41' 14.9712" W. This location is 325.76 miles away from Madison, TN and IAD Airport and it would take approximately 4 hours 56 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Chilhowie, VA, situated 323 miles from Madison, TN and 333 miles from IAD Airport. It would take 4 hours 56 mins to go from Madison to Chilhowie and 5 hours 11 mins to go from IAD to Chilhowie.

Major Cities Along the Route

The only major city along the route is Knoxville, TN.

Weather in Madison and IAD

Compare the weather today and the next four days in Madison, TN and IAD Airport:


Rain tomorrow.

Jul 9
Jul 10
Jul 11
Jul 12
Jul 13
Partly cloudy day Rain Partly cloudy day Clear day Clear day
93° 73° 92° 74° 91° 72° 86° 72° 87° 68°
28% Rain probability 47% Rain probability 10% Rain probability 30% Rain probability 5% Rain probability
2 301 degrees 5 267 degrees 6 320 degrees 6 308 degrees 6 341 degrees


Possible light rain on Saturday and Monday.

Jul 9
Jul 10
Jul 11
Jul 12
Jul 13
Clear day Partly cloudy day Rain Clear day Rain
90° 71° 88° 73° 87° 73° 87° 74° 86° 72°
7% Rain probability 26% Rain probability 51% Rain probability 35% Rain probability 61% Rain probability
4 92 degrees 6 24 degrees 5 251 degrees 5 285 degrees 5 241 degrees

Lowest Price Rental Cars in Madison, TN

Planning on renting a car to go from Madison, TN to IAD Airport? Here there are some offers to rent a car in or near Madison, TN:


Small cars

From $14


Intermediate cars

From $18


Full-size cars

From $24



From $28



From $40

Compare rental car prices in Madison »

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Madison, TN and IAD Airport in this table:

Distance type Miles Kilometers Nautical miles
Straight line distance 539.62 mi 868.43 km 468.91 nautical mi
Driving distance 652 mi 1,048.53 km 566.16 nautical mi

Road Trip Tips