How far is Quincy, IL, from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Quincy (Quincy Regional Airport) is 1630 miles / 2623 kilometers / 1416 nautical miles.
The driving distance from Seattle (BFI) to Quincy (UIN) is 2029 miles / 3265 kilometers, and travel time by car is about 35 hours 24 minutes.
Seattle Boeing Field – Quincy Regional Airport
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Distance from Seattle to Quincy
There are several ways to calculate the distance from Seattle to Quincy. Here are two standard methods:
Vincenty's formula (applied above)- 1630.065 miles
- 2623.336 kilometers
- 1416.488 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- 1626.235 miles
- 2617.172 kilometers
- 1413.160 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 Seattle to Quincy?
The estimated flight time from Seattle Boeing Field to Quincy Regional Airport is 3 hours and 35 minutes.
What is the time difference between Seattle and Quincy?
The time difference between Seattle and Quincy is 2 hours. Quincy is 2 hours ahead of Seattle.
Flight carbon footprint between Seattle Boeing Field (BFI) and Quincy Regional Airport (UIN)
On average, flying from Seattle to Quincy generates about 188 kg of CO2 per passenger, and 188 kilograms equals 414 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Seattle to Quincy
See the map of the shortest flight path between Seattle Boeing Field (BFI) and Quincy Regional Airport (UIN).
Airport information
| Origin | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″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 |