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How far is Washington D.C. from Quincy, IL?

The distance between Quincy (Quincy Regional Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 761 miles / 1224 kilometers / 661 nautical miles.

The driving distance from Quincy (UIN) to Washington D.C. (DCA) is 891 miles / 1434 kilometers, and travel time by car is about 16 hours 56 minutes.

Quincy Regional Airport – Ronald Reagan Washington National Airport

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761
Miles
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1224
Kilometers
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661
Nautical miles

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Distance from Quincy to Washington D.C.

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

Vincenty's formula (applied above)
  • 760.661 miles
  • 1224.165 kilometers
  • 660.996 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
  • 758.816 miles
  • 1221.196 kilometers
  • 659.393 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 Quincy to Washington D.C.?

The estimated flight time from Quincy Regional Airport to Ronald Reagan Washington National Airport is 1 hour and 56 minutes.

Flight carbon footprint between Quincy Regional Airport (UIN) and Ronald Reagan Washington National Airport (DCA)

On average, flying from Quincy to Washington D.C. generates about 131 kg of CO2 per passenger, and 131 kilograms equals 289 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Quincy Regional Airport (UIN) and Ronald Reagan Washington National Airport (DCA).

Airport information

Origin Quincy Regional Airport
City: Quincy, IL
Country: United States Flag of United States
IATA Code: UIN
ICAO Code: KUIN
Coordinates: 39°56′33″N, 91°11′40″W
Destination Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W