How far is Quincy, IL, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Quincy (Quincy Regional Airport) is 737 miles / 1187 kilometers / 641 nautical miles.
The driving distance from Washington D.C. (IAD) to Quincy (UIN) is 885 miles / 1424 kilometers, and travel time by car is about 16 hours 48 minutes.
Washington Dulles International Airport – Quincy Regional Airport
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Distance from Washington D.C. to Quincy
There are several ways to calculate the distance from Washington D.C. to Quincy. Here are two standard methods:
Vincenty's formula (applied above)- 737.362 miles
- 1186.669 kilometers
- 640.750 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- 735.568 miles
- 1183.782 kilometers
- 639.191 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 Washington D.C. to Quincy?
The estimated flight time from Washington Dulles International Airport to Quincy Regional Airport is 1 hour and 53 minutes.
What is the time difference between Washington D.C. and Quincy?
Flight carbon footprint between Washington Dulles International Airport (IAD) and Quincy Regional Airport (UIN)
On average, flying from Washington D.C. to Quincy generates about 129 kg of CO2 per passenger, and 129 kilograms equals 284 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Washington D.C. to Quincy
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Quincy Regional Airport (UIN).
Airport information
| Origin | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |
| Destination | Quincy Regional Airport |
|---|---|
| City: | Quincy, IL |
| Country: | United States |
| IATA Code: | UIN |
| ICAO Code: | KUIN |
| Coordinates: | 39°56′33″N, 91°11′40″W |