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How far is Washington D.C. from Dubuque, IA?

The distance between Dubuque (Dubuque Regional Airport) and Washington D.C. (Washington Dulles International Airport) is 735 miles / 1183 kilometers / 639 nautical miles.

The driving distance from Dubuque (DBQ) to Washington D.C. (IAD) is 877 miles / 1412 kilometers, and travel time by car is about 16 hours 48 minutes.

Dubuque Regional Airport – Washington Dulles International Airport

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735
Miles
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1183
Kilometers
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639
Nautical miles

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Distance from Dubuque to Washington D.C.

There are several ways to calculate the distance from Dubuque to Washington D.C.. Here are two standard methods:

Vincenty's formula (applied above)
  • 735.093 miles
  • 1183.017 kilometers
  • 638.778 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 733.527 miles
  • 1180.497 kilometers
  • 637.417 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Dubuque to Washington D.C.?

The estimated flight time from Dubuque Regional Airport to Washington Dulles International Airport is 1 hour and 53 minutes.

Flight carbon footprint between Dubuque Regional Airport (DBQ) and Washington Dulles International Airport (IAD)

On average, flying from Dubuque to Washington D.C. generates about 128 kg of CO2 per passenger, and 128 kilograms equals 283 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dubuque to Washington D.C.

See the map of the shortest flight path between Dubuque Regional Airport (DBQ) and Washington Dulles International Airport (IAD).

Airport information

Origin Dubuque Regional Airport
City: Dubuque, IA
Country: United States Flag of United States
IATA Code: DBQ
ICAO Code: KDBQ
Coordinates: 42°24′7″N, 90°42′34″W
Destination Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W